221404792

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{136333}}^1$

素因数の和:136375

約数の個数: 32

約数和(自身を含む): 490802400

約数和(自身を除く): 269397608

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 136333, 272666, 545332, 954331, 1090664, 1908662, 3817324, 3953657, 7634648, 7907314, 15814628, 27675599, 31629256, 55351198, 110702396, 221404792]

約数ペア:

[(1, 221404792), (2, 110702396), (4, 55351198), (7, 31629256), (8, 27675599), (14, 15814628), (28, 7907314), (29, 7634648), (56, 3953657), (58, 3817324), (116, 1908662), (203, 1090664), (232, 954331), (406, 545332), (812, 272666), (1624, 136333)]