1991103688

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{238627}}^1$

素因数の和:238789

約数の個数: 32

約数和(自身を含む): 4295304000

約数和(自身を除く): 2304200312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 238627, 477254, 954508, 1670389, 1909016, 3340778, 6681556, 13363112, 35555423, 71110846, 142221692, 248887961, 284443384, 497775922, 995551844, 1991103688]

約数ペア:

[(1, 1991103688), (2, 995551844), (4, 497775922), (7, 284443384), (8, 248887961), (14, 142221692), (28, 71110846), (56, 35555423), (149, 13363112), (298, 6681556), (596, 3340778), (1043, 1909016), (1192, 1670389), (2086, 954508), (4172, 477254), (8344, 238627)]