78906919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21149}}^1$

素因数の和:21210

約数の個数: 16

約数和(自身を含む): 99489600

約数和(自身を除く): 20582681

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 21149, 148043, 274937, 867109, 1924559, 6069763, 11272417, 78906919]

約数ペア:

[(1, 78906919), (7, 11272417), (13, 6069763), (41, 1924559), (91, 867109), (287, 274937), (533, 148043), (3731, 21149)]