639747376

素因数分解:

$2^4\times {\mathrm{593}}^1\times {\mathrm{67427}}^1$

素因数の和:68028

約数の個数: 20

約数和(自身を含む): 1241619192

約数和(自身を除く): 601871816

約数列:

[1, 2, 4, 8, 16, 593, 1186, 2372, 4744, 9488, 67427, 134854, 269708, 539416, 1078832, 39984211, 79968422, 159936844, 319873688, 639747376]

約数ペア:

[(1, 639747376), (2, 319873688), (4, 159936844), (8, 79968422), (16, 39984211), (593, 1078832), (1186, 539416), (2372, 269708), (4744, 134854), (9488, 67427)]