261617512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2515553}}^1$

素因数の和:2515572

約数の個数: 16

約数和(自身を含む): 528266340

約数和(自身を除く): 266648828

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2515553, 5031106, 10062212, 20124424, 32702189, 65404378, 130808756, 261617512]

約数ペア:

[(1, 261617512), (2, 130808756), (4, 65404378), (8, 32702189), (13, 20124424), (26, 10062212), (52, 5031106), (104, 2515553)]