831326

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 16

約数和(自身を含む): 1330560

約数和(自身を除く): 499234

約数列:

[1, 2, 19, 38, 131, 167, 262, 334, 2489, 3173, 4978, 6346, 21877, 43754, 415663, 831326]

約数ペア:

[(1, 831326), (2, 415663), (19, 43754), (38, 21877), (131, 6346), (167, 4978), (262, 3173), (334, 2489)]