2556554978

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{877}}^1\times {\mathrm{5807}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 3855164544

約数和(自身を除く): 1298609566

約数列:

[1, 2, 251, 502, 877, 1754, 5807, 11614, 220127, 440254, 1457557, 2915114, 5092739, 10185478, 1278277489, 2556554978]

約数ペア:

[(1, 2556554978), (2, 1278277489), (251, 10185478), (502, 5092739), (877, 2915114), (1754, 1457557), (5807, 440254), (11614, 220127)]