670763821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2791}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 875571200

約数和(自身を除く): 204807379

約数列:

[1, 7, 13, 19, 91, 133, 139, 247, 973, 1729, 1807, 2641, 2791, 12649, 18487, 19537, 34333, 36283, 53029, 240331, 253981, 371203, 387949, 689377, 2715643, 4825639, 5043337, 7371031, 35303359, 51597217, 95823403, 670763821]

約数ペア:

[(1, 670763821), (7, 95823403), (13, 51597217), (19, 35303359), (91, 7371031), (133, 5043337), (139, 4825639), (247, 2715643), (973, 689377), (1729, 387949), (1807, 371203), (2641, 253981), (2791, 240331), (12649, 53029), (18487, 36283), (19537, 34333)]