71656

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 148230

約数和(自身を除く): 76574

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 169, 212, 338, 424, 676, 689, 1352, 1378, 2756, 5512, 8957, 17914, 35828, 71656]

約数ペア:

[(1, 71656), (2, 35828), (4, 17914), (8, 8957), (13, 5512), (26, 2756), (52, 1378), (53, 1352), (104, 689), (106, 676), (169, 424), (212, 338)]