209890832

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1609}}^1$

素因数の和:1911

約数の個数: 40

約数和(自身を含む): 421639680

約数和(自身を除く): 211748848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 263, 496, 526, 1052, 1609, 2104, 3218, 4208, 6436, 8153, 12872, 16306, 25744, 32612, 49879, 65224, 99758, 130448, 199516, 399032, 423167, 798064, 846334, 1692668, 3385336, 6770672, 13118177, 26236354, 52472708, 104945416, 209890832]

約数ペア:

[(1, 209890832), (2, 104945416), (4, 52472708), (8, 26236354), (16, 13118177), (31, 6770672), (62, 3385336), (124, 1692668), (248, 846334), (263, 798064), (496, 423167), (526, 399032), (1052, 199516), (1609, 130448), (2104, 99758), (3218, 65224), (4208, 49879), (6436, 32612), (8153, 25744), (12872, 16306)]