181287756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2957}}^1$

素因数の和:3111

約数の個数: 72

約数和(自身を含む): 497440944

約数和(自身を除く): 316153188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 786, 1179, 1572, 1703, 2358, 2957, 3406, 4716, 5109, 5914, 6812, 8871, 10218, 11828, 15327, 17742, 20436, 26613, 30654, 35484, 38441, 53226, 61308, 76882, 106452, 115323, 153764, 230646, 345969, 387367, 461292, 691938, 774734, 1162101, 1383876, 1549468, 2324202, 3486303, 4648404, 5035771, 6972606, 10071542, 13945212, 15107313, 20143084, 30214626, 45321939, 60429252, 90643878, 181287756]

約数ペア:

[(1, 181287756), (2, 90643878), (3, 60429252), (4, 45321939), (6, 30214626), (9, 20143084), (12, 15107313), (13, 13945212), (18, 10071542), (26, 6972606), (36, 5035771), (39, 4648404), (52, 3486303), (78, 2324202), (117, 1549468), (131, 1383876), (156, 1162101), (234, 774734), (262, 691938), (393, 461292), (468, 387367), (524, 345969), (786, 230646), (1179, 153764), (1572, 115323), (1703, 106452), (2358, 76882), (2957, 61308), (3406, 53226), (4716, 38441), (5109, 35484), (5914, 30654), (6812, 26613), (8871, 20436), (10218, 17742), (11828, 15327)]