157217998

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{571}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 274779648

約数和(自身を除く): 117561650

約数列:

[1, 2, 7, 14, 71, 142, 277, 497, 554, 571, 994, 1142, 1939, 3878, 3997, 7994, 19667, 39334, 40541, 81082, 137669, 158167, 275338, 283787, 316334, 567574, 1107169, 2214338, 11229857, 22459714, 78608999, 157217998]

約数ペア:

[(1, 157217998), (2, 78608999), (7, 22459714), (14, 11229857), (71, 2214338), (142, 1107169), (277, 567574), (497, 316334), (554, 283787), (571, 275338), (994, 158167), (1142, 137669), (1939, 81082), (3878, 40541), (3997, 39334), (7994, 19667)]