213656488

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{163847}}^1$

素因数の和:164016

約数の個数: 16

約数和(自身を含む): 403066080

約数和(自身を除く): 189409592

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 163847, 327694, 655388, 1310776, 26707061, 53414122, 106828244, 213656488]

約数ペア:

[(1, 213656488), (2, 106828244), (4, 53414122), (8, 26707061), (163, 1310776), (326, 655388), (652, 327694), (1304, 163847)]