71681975

素因数分解:

$5^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 90851328

約数和(自身を除く): 19169353

約数列:

[1, 5, 25, 107, 127, 211, 535, 635, 1055, 2675, 3175, 5275, 13589, 22577, 26797, 67945, 112885, 133985, 339725, 564425, 669925, 2867279, 14336395, 71681975]

約数ペア:

[(1, 71681975), (5, 14336395), (25, 2867279), (107, 669925), (127, 564425), (211, 339725), (535, 133985), (635, 112885), (1055, 67945), (2675, 26797), (3175, 22577), (5275, 13589)]