216973108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 446854464

約数和(自身を除く): 229881356

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 113, 151, 187, 226, 289, 302, 374, 452, 578, 604, 748, 1156, 1243, 1661, 1921, 2486, 2567, 3179, 3322, 3842, 4972, 5134, 6358, 6644, 7684, 10268, 12716, 17063, 21131, 28237, 32657, 34126, 42262, 43639, 56474, 65314, 68252, 84524, 87278, 112948, 130628, 174556, 187693, 290071, 359227, 375386, 480029, 580142, 718454, 750772, 960058, 1160284, 1436908, 1920116, 3190781, 4931207, 6381562, 9862414, 12763124, 19724828, 54243277, 108486554, 216973108]

約数ペア:

[(1, 216973108), (2, 108486554), (4, 54243277), (11, 19724828), (17, 12763124), (22, 9862414), (34, 6381562), (44, 4931207), (68, 3190781), (113, 1920116), (151, 1436908), (187, 1160284), (226, 960058), (289, 750772), (302, 718454), (374, 580142), (452, 480029), (578, 375386), (604, 359227), (748, 290071), (1156, 187693), (1243, 174556), (1661, 130628), (1921, 112948), (2486, 87278), (2567, 84524), (3179, 68252), (3322, 65314), (3842, 56474), (4972, 43639), (5134, 42262), (6358, 34126), (6644, 32657), (7684, 28237), (10268, 21131), (12716, 17063)]