221661536

素因数分解:

$2^5\times {\mathrm{389}}^1\times {\mathrm{17807}}^1$

素因数の和:18206

約数の個数: 24

約数和(自身を含む): 437542560

約数和(自身を除く): 215881024

約数列:

[1, 2, 4, 8, 16, 32, 389, 778, 1556, 3112, 6224, 12448, 17807, 35614, 71228, 142456, 284912, 569824, 6926923, 13853846, 27707692, 55415384, 110830768, 221661536]

約数ペア:

[(1, 221661536), (2, 110830768), (4, 55415384), (8, 27707692), (16, 13853846), (32, 6926923), (389, 569824), (778, 284912), (1556, 142456), (3112, 71228), (6224, 35614), (12448, 17807)]