131567856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 420687360

約数和(自身を除く): 289119504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 37, 38, 42, 48, 56, 57, 74, 76, 84, 111, 112, 114, 133, 148, 152, 168, 222, 228, 259, 266, 296, 304, 336, 399, 444, 456, 518, 532, 557, 592, 703, 777, 798, 888, 912, 1036, 1064, 1114, 1406, 1554, 1596, 1671, 1776, 2072, 2109, 2128, 2228, 2812, 3108, 3192, 3342, 3899, 4144, 4218, 4456, 4921, 5624, 6216, 6384, 6684, 7798, 8436, 8912, 9842, 10583, 11248, 11697, 12432, 13368, 14763, 15596, 16872, 19684, 20609, 21166, 23394, 26736, 29526, 31192, 31749, 33744, 39368, 41218, 42332, 46788, 59052, 61827, 62384, 63498, 74081, 78736, 82436, 84664, 93576, 118104, 123654, 126996, 144263, 148162, 164872, 169328, 187152, 222243, 236208, 247308, 253992, 288526, 296324, 329744, 391571, 432789, 444486, 494616, 507984, 577052, 592648, 783142, 865578, 888972, 989232, 1154104, 1174713, 1185296, 1566284, 1731156, 1777944, 2308208, 2349426, 2740997, 3132568, 3462312, 3555888, 4698852, 5481994, 6265136, 6924624, 8222991, 9397704, 10963988, 16445982, 18795408, 21927976, 32891964, 43855952, 65783928, 131567856]

約数ペア:

[(1, 131567856), (2, 65783928), (3, 43855952), (4, 32891964), (6, 21927976), (7, 18795408), (8, 16445982), (12, 10963988), (14, 9397704), (16, 8222991), (19, 6924624), (21, 6265136), (24, 5481994), (28, 4698852), (37, 3555888), (38, 3462312), (42, 3132568), (48, 2740997), (56, 2349426), (57, 2308208), (74, 1777944), (76, 1731156), (84, 1566284), (111, 1185296), (112, 1174713), (114, 1154104), (133, 989232), (148, 888972), (152, 865578), (168, 783142), (222, 592648), (228, 577052), (259, 507984), (266, 494616), (296, 444486), (304, 432789), (336, 391571), (399, 329744), (444, 296324), (456, 288526), (518, 253992), (532, 247308), (557, 236208), (592, 222243), (703, 187152), (777, 169328), (798, 164872), (888, 148162), (912, 144263), (1036, 126996), (1064, 123654), (1114, 118104), (1406, 93576), (1554, 84664), (1596, 82436), (1671, 78736), (1776, 74081), (2072, 63498), (2109, 62384), (2128, 61827), (2228, 59052), (2812, 46788), (3108, 42332), (3192, 41218), (3342, 39368), (3899, 33744), (4144, 31749), (4218, 31192), (4456, 29526), (4921, 26736), (5624, 23394), (6216, 21166), (6384, 20609), (6684, 19684), (7798, 16872), (8436, 15596), (8912, 14763), (9842, 13368), (10583, 12432), (11248, 11697)]