1557996856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{14980739}}^1$

素因数の和:14980758

約数の個数: 16

約数和(自身を含む): 3145955400

約数和(自身を除く): 1587958544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 14980739, 29961478, 59922956, 119845912, 194749607, 389499214, 778998428, 1557996856]

約数ペア:

[(1, 1557996856), (2, 778998428), (4, 389499214), (8, 194749607), (13, 119845912), (26, 59922956), (52, 29961478), (104, 14980739)]