1257240008

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{739}}^1\times {\mathrm{1951}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 2383392000

約数和(自身を除く): 1126151992

約数列:

[1, 2, 4, 8, 109, 218, 436, 739, 872, 1478, 1951, 2956, 3902, 5912, 7804, 15608, 80551, 161102, 212659, 322204, 425318, 644408, 850636, 1441789, 1701272, 2883578, 5767156, 11534312, 157155001, 314310002, 628620004, 1257240008]

約数ペア:

[(1, 1257240008), (2, 628620004), (4, 314310002), (8, 157155001), (109, 11534312), (218, 5767156), (436, 2883578), (739, 1701272), (872, 1441789), (1478, 850636), (1951, 644408), (2956, 425318), (3902, 322204), (5912, 212659), (7804, 161102), (15608, 80551)]