490066928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2356091}}^1$

素因数の和:2356112

約数の個数: 20

約数和(自身を含む): 1022543928

約数和(自身を除く): 532477000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2356091, 4712182, 9424364, 18848728, 30629183, 37697456, 61258366, 122516732, 245033464, 490066928]

約数ペア:

[(1, 490066928), (2, 245033464), (4, 122516732), (8, 61258366), (13, 37697456), (16, 30629183), (26, 18848728), (52, 9424364), (104, 4712182), (208, 2356091)]