266989436

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 559870416

約数和(自身を除く): 292880980

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 137, 163, 196, 244, 274, 326, 427, 548, 652, 854, 959, 1141, 1708, 1918, 2282, 2989, 3836, 4564, 5978, 6713, 7987, 8357, 9943, 11956, 13426, 15974, 16714, 19886, 22331, 26852, 31948, 33428, 39772, 44662, 58499, 69601, 89324, 116998, 139202, 156317, 233996, 278404, 312634, 409493, 487207, 625268, 818986, 974414, 1094219, 1362191, 1637972, 1948828, 2188438, 2724382, 4376876, 5448764, 9535337, 19070674, 38141348, 66747359, 133494718, 266989436]

約数ペア:

[(1, 266989436), (2, 133494718), (4, 66747359), (7, 38141348), (14, 19070674), (28, 9535337), (49, 5448764), (61, 4376876), (98, 2724382), (122, 2188438), (137, 1948828), (163, 1637972), (196, 1362191), (244, 1094219), (274, 974414), (326, 818986), (427, 625268), (548, 487207), (652, 409493), (854, 312634), (959, 278404), (1141, 233996), (1708, 156317), (1918, 139202), (2282, 116998), (2989, 89324), (3836, 69601), (4564, 58499), (5978, 44662), (6713, 39772), (7987, 33428), (8357, 31948), (9943, 26852), (11956, 22331), (13426, 19886), (15974, 16714)]