1644848995

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1063}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 2083737600

約数和(自身を除く): 438888605

約数列:

[1, 5, 31, 67, 149, 155, 335, 745, 1063, 2077, 4619, 5315, 9983, 10385, 23095, 32953, 49915, 71221, 158387, 164765, 309473, 356105, 791935, 1547365, 2207851, 4909997, 10611929, 11039255, 24549985, 53059645, 328969799, 1644848995]

約数ペア:

[(1, 1644848995), (5, 328969799), (31, 53059645), (67, 24549985), (149, 11039255), (155, 10611929), (335, 4909997), (745, 2207851), (1063, 1547365), (2077, 791935), (4619, 356105), (5315, 309473), (9983, 164765), (10385, 158387), (23095, 71221), (32953, 49915)]