81030908

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 177366672

約数和(自身を除く): 96335764

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 83, 98, 119, 166, 196, 238, 293, 332, 476, 581, 586, 833, 1162, 1172, 1411, 1666, 2051, 2324, 2822, 3332, 4067, 4102, 4981, 5644, 8134, 8204, 9877, 9962, 14357, 16268, 19754, 19924, 24319, 28714, 34867, 39508, 48638, 57428, 69139, 69734, 97276, 138278, 139468, 170233, 244069, 276556, 340466, 413423, 488138, 680932, 826846, 976276, 1191631, 1653692, 2383262, 2893961, 4766524, 5787922, 11575844, 20257727, 40515454, 81030908]

約数ペア:

[(1, 81030908), (2, 40515454), (4, 20257727), (7, 11575844), (14, 5787922), (17, 4766524), (28, 2893961), (34, 2383262), (49, 1653692), (68, 1191631), (83, 976276), (98, 826846), (119, 680932), (166, 488138), (196, 413423), (238, 340466), (293, 276556), (332, 244069), (476, 170233), (581, 139468), (586, 138278), (833, 97276), (1162, 69734), (1172, 69139), (1411, 57428), (1666, 48638), (2051, 39508), (2324, 34867), (2822, 28714), (3332, 24319), (4067, 19924), (4102, 19754), (4981, 16268), (5644, 14357), (8134, 9962), (8204, 9877)]