131319216

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:568

約数の個数: 180

約数和(自身を含む): 439940592

約数和(自身を除く): 308621376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 49, 56, 63, 72, 74, 84, 98, 111, 112, 126, 144, 147, 148, 168, 196, 222, 252, 259, 294, 296, 333, 336, 392, 441, 444, 503, 504, 518, 588, 592, 666, 777, 784, 882, 888, 1006, 1008, 1036, 1176, 1332, 1509, 1554, 1764, 1776, 1813, 2012, 2072, 2331, 2352, 2664, 3018, 3108, 3521, 3528, 3626, 4024, 4144, 4527, 4662, 5328, 5439, 6036, 6216, 7042, 7056, 7252, 8048, 9054, 9324, 10563, 10878, 12072, 12432, 14084, 14504, 16317, 18108, 18611, 18648, 21126, 21756, 24144, 24647, 28168, 29008, 31689, 32634, 36216, 37222, 37296, 42252, 43512, 49294, 55833, 56336, 63378, 65268, 72432, 73941, 74444, 84504, 87024, 98588, 111666, 126756, 130277, 130536, 147882, 148888, 167499, 169008, 197176, 221823, 223332, 253512, 260554, 261072, 295764, 297776, 334998, 390831, 394352, 443646, 446664, 507024, 521108, 591528, 669996, 781662, 887292, 893328, 911939, 1042216, 1172493, 1183056, 1339992, 1563324, 1774584, 1823878, 2084432, 2344986, 2679984, 2735817, 3126648, 3549168, 3647756, 4689972, 5471634, 6253296, 7295512, 8207451, 9379944, 10943268, 14591024, 16414902, 18759888, 21886536, 32829804, 43773072, 65659608, 131319216]

約数ペア:

[(1, 131319216), (2, 65659608), (3, 43773072), (4, 32829804), (6, 21886536), (7, 18759888), (8, 16414902), (9, 14591024), (12, 10943268), (14, 9379944), (16, 8207451), (18, 7295512), (21, 6253296), (24, 5471634), (28, 4689972), (36, 3647756), (37, 3549168), (42, 3126648), (48, 2735817), (49, 2679984), (56, 2344986), (63, 2084432), (72, 1823878), (74, 1774584), (84, 1563324), (98, 1339992), (111, 1183056), (112, 1172493), (126, 1042216), (144, 911939), (147, 893328), (148, 887292), (168, 781662), (196, 669996), (222, 591528), (252, 521108), (259, 507024), (294, 446664), (296, 443646), (333, 394352), (336, 390831), (392, 334998), (441, 297776), (444, 295764), (503, 261072), (504, 260554), (518, 253512), (588, 223332), (592, 221823), (666, 197176), (777, 169008), (784, 167499), (882, 148888), (888, 147882), (1006, 130536), (1008, 130277), (1036, 126756), (1176, 111666), (1332, 98588), (1509, 87024), (1554, 84504), (1764, 74444), (1776, 73941), (1813, 72432), (2012, 65268), (2072, 63378), (2331, 56336), (2352, 55833), (2664, 49294), (3018, 43512), (3108, 42252), (3521, 37296), (3528, 37222), (3626, 36216), (4024, 32634), (4144, 31689), (4527, 29008), (4662, 28168), (5328, 24647), (5439, 24144), (6036, 21756), (6216, 21126), (7042, 18648), (7056, 18611), (7252, 18108), (8048, 16317), (9054, 14504), (9324, 14084), (10563, 12432), (10878, 12072)]