28549404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1227

約数の個数: 72

約数和(自身を含む): 79252992

約数和(自身を除く): 50703588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1151, 1378, 1908, 2067, 2302, 2756, 3453, 4134, 4604, 6201, 6906, 8268, 10359, 12402, 13812, 14963, 20718, 24804, 29926, 41436, 44889, 59852, 61003, 89778, 122006, 134667, 179556, 183009, 244012, 269334, 366018, 538668, 549027, 732036, 793039, 1098054, 1586078, 2196108, 2379117, 3172156, 4758234, 7137351, 9516468, 14274702, 28549404]

約数ペア:

[(1, 28549404), (2, 14274702), (3, 9516468), (4, 7137351), (6, 4758234), (9, 3172156), (12, 2379117), (13, 2196108), (18, 1586078), (26, 1098054), (36, 793039), (39, 732036), (52, 549027), (53, 538668), (78, 366018), (106, 269334), (117, 244012), (156, 183009), (159, 179556), (212, 134667), (234, 122006), (318, 89778), (468, 61003), (477, 59852), (636, 44889), (689, 41436), (954, 29926), (1151, 24804), (1378, 20718), (1908, 14963), (2067, 13812), (2302, 12402), (2756, 10359), (3453, 8268), (4134, 6906), (4604, 6201)]