642714746

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{7901}}^1$

素因数の和:8449

約数の個数: 16

約数和(自身を含む): 977161320

約数和(自身を除く): 334446574

約数列:

[1, 2, 89, 178, 457, 914, 7901, 15802, 40673, 81346, 703189, 1406378, 3610757, 7221514, 321357373, 642714746]

約数ペア:

[(1, 642714746), (2, 321357373), (89, 7221514), (178, 3610757), (457, 1406378), (914, 703189), (7901, 81346), (15802, 40673)]