211319984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{455431}}^1$

素因数の和:455468

約数の個数: 20

約数和(自身を含む): 423551760

約数和(自身を除く): 212231776

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 455431, 910862, 1821724, 3643448, 7286896, 13207499, 26414998, 52829996, 105659992, 211319984]

約数ペア:

[(1, 211319984), (2, 105659992), (4, 52829996), (8, 26414998), (16, 13207499), (29, 7286896), (58, 3643448), (116, 1821724), (232, 910862), (464, 455431)]