729105260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2804251}}^1$

素因数の和:2804273

約数の個数: 24

約数和(自身を含む): 1648900176

約数和(自身を除く): 919794916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2804251, 5608502, 11217004, 14021255, 28042510, 36455263, 56085020, 72910526, 145821052, 182276315, 364552630, 729105260]

約数ペア:

[(1, 729105260), (2, 364552630), (4, 182276315), (5, 145821052), (10, 72910526), (13, 56085020), (20, 36455263), (26, 28042510), (52, 14021255), (65, 11217004), (130, 5608502), (260, 2804251)]