388656541

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 490291200

約数和(自身を除く): 101634659

約数列:

[1, 7, 13, 59, 91, 191, 379, 413, 767, 1337, 2483, 2653, 4927, 5369, 11269, 17381, 22361, 34489, 72389, 78883, 146497, 156527, 290693, 506723, 941057, 1025479, 2034851, 4270951, 6587399, 29896657, 55522363, 388656541]

約数ペア:

[(1, 388656541), (7, 55522363), (13, 29896657), (59, 6587399), (91, 4270951), (191, 2034851), (379, 1025479), (413, 941057), (767, 506723), (1337, 290693), (2483, 156527), (2653, 146497), (4927, 78883), (5369, 72389), (11269, 34489), (17381, 22361)]