13815828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 38388168

約数和(自身を除く): 24572340

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, 557, 636, 689, 954, 1114, 1378, 1671, 1908, 2067, 2228, 2756, 3342, 4134, 5013, 6201, 6684, 7241, 8268, 10026, 12402, 14482, 20052, 21723, 24804, 28964, 29521, 43446, 59042, 65169, 86892, 88563, 118084, 130338, 177126, 260676, 265689, 354252, 383773, 531378, 767546, 1062756, 1151319, 1535092, 2302638, 3453957, 4605276, 6907914, 13815828]

約数ペア:

[(1, 13815828), (2, 6907914), (3, 4605276), (4, 3453957), (6, 2302638), (9, 1535092), (12, 1151319), (13, 1062756), (18, 767546), (26, 531378), (36, 383773), (39, 354252), (52, 265689), (53, 260676), (78, 177126), (106, 130338), (117, 118084), (156, 88563), (159, 86892), (212, 65169), (234, 59042), (318, 43446), (468, 29521), (477, 28964), (557, 24804), (636, 21723), (689, 20052), (954, 14482), (1114, 12402), (1378, 10026), (1671, 8268), (1908, 7241), (2067, 6684), (2228, 6201), (2756, 5013), (3342, 4134)]