291216052

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{251917}}^1$

素因数の和:251955

約数の個数: 18

約数和(自身を含む): 541371782

約数和(自身を除く): 250155730

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 251917, 503834, 1007668, 4282589, 8565178, 17130356, 72804013, 145608026, 291216052]

約数ペア:

[(1, 291216052), (2, 145608026), (4, 72804013), (17, 17130356), (34, 8565178), (68, 4282589), (289, 1007668), (578, 503834), (1156, 251917)]