181811168

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 463325184

約数和(自身を除く): 281514016

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 83, 88, 98, 112, 127, 154, 166, 176, 196, 224, 254, 308, 332, 352, 392, 508, 539, 581, 616, 664, 784, 889, 913, 1016, 1078, 1162, 1232, 1328, 1397, 1568, 1778, 1826, 2032, 2156, 2324, 2464, 2656, 2794, 3556, 3652, 4064, 4067, 4312, 4648, 5588, 6223, 6391, 7112, 7304, 8134, 8624, 9296, 9779, 10541, 11176, 12446, 12782, 14224, 14608, 16268, 17248, 18592, 19558, 21082, 22352, 24892, 25564, 28448, 29216, 32536, 39116, 42164, 44704, 44737, 49784, 51128, 65072, 68453, 73787, 78232, 84328, 89474, 99568, 102256, 115951, 130144, 136906, 147574, 156464, 168656, 178948, 199136, 204512, 231902, 273812, 295148, 312928, 337312, 357896, 463804, 516509, 547624, 590296, 715792, 811657, 927608, 1033018, 1095248, 1180592, 1431584, 1623314, 1855216, 2066036, 2190496, 2361184, 3246628, 3710432, 4132072, 5681599, 6493256, 8264144, 11363198, 12986512, 16528288, 22726396, 25973024, 45452792, 90905584, 181811168]

約数ペア:

[(1, 181811168), (2, 90905584), (4, 45452792), (7, 25973024), (8, 22726396), (11, 16528288), (14, 12986512), (16, 11363198), (22, 8264144), (28, 6493256), (32, 5681599), (44, 4132072), (49, 3710432), (56, 3246628), (77, 2361184), (83, 2190496), (88, 2066036), (98, 1855216), (112, 1623314), (127, 1431584), (154, 1180592), (166, 1095248), (176, 1033018), (196, 927608), (224, 811657), (254, 715792), (308, 590296), (332, 547624), (352, 516509), (392, 463804), (508, 357896), (539, 337312), (581, 312928), (616, 295148), (664, 273812), (784, 231902), (889, 204512), (913, 199136), (1016, 178948), (1078, 168656), (1162, 156464), (1232, 147574), (1328, 136906), (1397, 130144), (1568, 115951), (1778, 102256), (1826, 99568), (2032, 89474), (2156, 84328), (2324, 78232), (2464, 73787), (2656, 68453), (2794, 65072), (3556, 51128), (3652, 49784), (4064, 44737), (4067, 44704), (4312, 42164), (4648, 39116), (5588, 32536), (6223, 29216), (6391, 28448), (7112, 25564), (7304, 24892), (8134, 22352), (8624, 21082), (9296, 19558), (9779, 18592), (10541, 17248), (11176, 16268), (12446, 14608), (12782, 14224)]