661492912

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{523333}}^1$

素因数の和:523420

約数の個数: 20

約数和(自身を含む): 1297868320

約数和(自身を除く): 636375408

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 523333, 1046666, 2093332, 4186664, 8373328, 41343307, 82686614, 165373228, 330746456, 661492912]

約数ペア:

[(1, 661492912), (2, 330746456), (4, 165373228), (8, 82686614), (16, 41343307), (79, 8373328), (158, 4186664), (316, 2093332), (632, 1046666), (1264, 523333)]