681680508730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{169151491}}^1$

素因数の和:169151542

約数の個数: 32

約数和(自身を含む): 1364037631488

約数和(自身を除く): 682357122758

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 169151491, 338302982, 845757455, 1691514910, 2198969383, 4397938766, 5243696221, 10487392442, 10994846915, 21989693830, 26218481105, 52436962210, 68168050873, 136336101746, 340840254365, 681680508730]

約数ペア:

[(1, 681680508730), (2, 340840254365), (5, 136336101746), (10, 68168050873), (13, 52436962210), (26, 26218481105), (31, 21989693830), (62, 10994846915), (65, 10487392442), (130, 5243696221), (155, 4397938766), (310, 2198969383), (403, 1691514910), (806, 845757455), (2015, 338302982), (4030, 169151491)]