388563402241

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{30549839}}^1$

素因数の和:30549948

約数の個数: 16

約数和(自身を含む): 469245542400

約数和(自身を除く): 80682140159

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 30549839, 213848873, 702646297, 2413437281, 4918524079, 16894060967, 55509057463, 388563402241]

約数ペア:

[(1, 388563402241), (7, 55509057463), (23, 16894060967), (79, 4918524079), (161, 2413437281), (553, 702646297), (1817, 213848873), (12719, 30549839)]