640025998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1\times {\mathrm{7451}}^1$

素因数の和:8963

約数の個数: 16

約数和(自身を含む): 993947760

約数和(自身を除く): 353921762

約数列:

[1, 2, 29, 58, 1481, 2962, 7451, 14902, 42949, 85898, 216079, 432158, 11034931, 22069862, 320012999, 640025998]

約数ペア:

[(1, 640025998), (2, 320012999), (29, 22069862), (58, 11034931), (1481, 432158), (2962, 216079), (7451, 85898), (14902, 42949)]