71081488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{261329}}^1$

素因数の和:261354

約数の個数: 20

約数和(自身を含む): 145822140

約数和(自身を除く): 74740652

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 261329, 522658, 1045316, 2090632, 4181264, 4442593, 8885186, 17770372, 35540744, 71081488]

約数ペア:

[(1, 71081488), (2, 35540744), (4, 17770372), (8, 8885186), (16, 4442593), (17, 4181264), (34, 2090632), (68, 1045316), (136, 522658), (272, 261329)]