261620008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2515577}}^1$

素因数の和:2515596

約数の個数: 16

約数和(自身を含む): 528271380

約数和(自身を除く): 266651372

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2515577, 5031154, 10062308, 20124616, 32702501, 65405002, 130810004, 261620008]

約数ペア:

[(1, 261620008), (2, 130810004), (4, 65405002), (8, 32702501), (13, 20124616), (26, 10062308), (52, 5031154), (104, 2515577)]