71781776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 159001728

約数和(自身を除く): 87219952

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 73, 74, 88, 146, 148, 151, 176, 292, 296, 302, 407, 584, 592, 604, 803, 814, 1168, 1208, 1606, 1628, 1661, 2416, 2701, 3212, 3256, 3322, 5402, 5587, 6424, 6512, 6644, 10804, 11023, 11174, 12848, 13288, 21608, 22046, 22348, 26576, 29711, 43216, 44092, 44696, 59422, 61457, 88184, 89392, 118844, 121253, 122914, 176368, 237688, 242506, 245828, 407851, 475376, 485012, 491656, 815702, 970024, 983312, 1631404, 1940048, 3262808, 4486361, 6525616, 8972722, 17945444, 35890888, 71781776]

約数ペア:

[(1, 71781776), (2, 35890888), (4, 17945444), (8, 8972722), (11, 6525616), (16, 4486361), (22, 3262808), (37, 1940048), (44, 1631404), (73, 983312), (74, 970024), (88, 815702), (146, 491656), (148, 485012), (151, 475376), (176, 407851), (292, 245828), (296, 242506), (302, 237688), (407, 176368), (584, 122914), (592, 121253), (604, 118844), (803, 89392), (814, 88184), (1168, 61457), (1208, 59422), (1606, 44696), (1628, 44092), (1661, 43216), (2416, 29711), (2701, 26576), (3212, 22348), (3256, 22046), (3322, 21608), (5402, 13288), (5587, 12848), (6424, 11174), (6512, 11023), (6644, 10804)]