1247389910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{34147}}^1$

素因数の和:34448

約数の個数: 32

約数和(自身を含む): 2426693472

約数和(自身を除く): 1179303562

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1405, 2810, 3653, 7306, 18265, 34147, 36530, 68294, 170735, 341470, 443911, 887822, 2219555, 4439110, 9595307, 19190614, 47976535, 95953070, 124738991, 249477982, 623694955, 1247389910]

約数ペア:

[(1, 1247389910), (2, 623694955), (5, 249477982), (10, 124738991), (13, 95953070), (26, 47976535), (65, 19190614), (130, 9595307), (281, 4439110), (562, 2219555), (1405, 887822), (2810, 443911), (3653, 341470), (7306, 170735), (18265, 68294), (34147, 36530)]