397360418

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{70429}}^1$

素因数の和:70482

約数の個数: 32

約数和(自身を含む): 757263360

約数和(自身を除く): 359902942

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 70429, 140858, 493003, 915577, 986006, 1831154, 2183299, 4366598, 6409039, 12818078, 15283093, 28382887, 30566186, 56765774, 198680209, 397360418]

約数ペア:

[(1, 397360418), (2, 198680209), (7, 56765774), (13, 30566186), (14, 28382887), (26, 15283093), (31, 12818078), (62, 6409039), (91, 4366598), (182, 2183299), (217, 1831154), (403, 986006), (434, 915577), (806, 493003), (2821, 140858), (5642, 70429)]