291222256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1400107}}^1$

素因数の和:1400128

約数の個数: 20

約数和(自身を含む): 607646872

約数和(自身を除く): 316424616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1400107, 2800214, 5600428, 11200856, 18201391, 22401712, 36402782, 72805564, 145611128, 291222256]

約数ペア:

[(1, 291222256), (2, 145611128), (4, 72805564), (8, 36402782), (13, 22401712), (16, 18201391), (26, 11200856), (52, 5600428), (104, 2800214), (208, 1400107)]