425375990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{172217}}^1$

素因数の和:172256

約数の個数: 32

約数和(自身を含む): 867978720

約数和(自身を除く): 442602730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 172217, 344434, 861085, 1722170, 2238821, 3272123, 4477642, 6544246, 11194105, 16360615, 22388210, 32721230, 42537599, 85075198, 212687995, 425375990]

約数ペア:

[(1, 425375990), (2, 212687995), (5, 85075198), (10, 42537599), (13, 32721230), (19, 22388210), (26, 16360615), (38, 11194105), (65, 6544246), (95, 4477642), (130, 3272123), (190, 2238821), (247, 1722170), (494, 861085), (1235, 344434), (2470, 172217)]