817961890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{28099}}^1$

素因数の和:28218

約数の個数: 32

約数和(自身を含む): 1529539200

約数和(自身を除く): 711577310

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2911, 5822, 14555, 28099, 29110, 56198, 140495, 280990, 1152059, 1995029, 2304118, 3990058, 5760295, 9975145, 11520590, 19950290, 81796189, 163592378, 408980945, 817961890]

約数ペア:

[(1, 817961890), (2, 408980945), (5, 163592378), (10, 81796189), (41, 19950290), (71, 11520590), (82, 9975145), (142, 5760295), (205, 3990058), (355, 2304118), (410, 1995029), (710, 1152059), (2911, 280990), (5822, 140495), (14555, 56198), (28099, 29110)]