389767988

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{2699}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 692496000

約数和(自身を除く): 302728012

約数列:

[1, 2, 4, 79, 158, 316, 457, 914, 1828, 2699, 5398, 10796, 36103, 72206, 144412, 213221, 426442, 852884, 1233443, 2466886, 4933772, 97441997, 194883994, 389767988]

約数ペア:

[(1, 389767988), (2, 194883994), (4, 97441997), (79, 4933772), (158, 2466886), (316, 1233443), (457, 852884), (914, 426442), (1828, 213221), (2699, 144412), (5398, 72206), (10796, 36103)]