156213239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 198979200

約数和(自身を除く): 42765961

約数列:

[1, 7, 13, 41, 91, 149, 281, 287, 533, 1043, 1937, 1967, 3653, 3731, 6109, 11521, 13559, 25571, 41869, 42763, 79417, 80647, 149773, 293083, 544297, 555919, 1048411, 1716629, 3810079, 12016403, 22316177, 156213239]

約数ペア:

[(1, 156213239), (7, 22316177), (13, 12016403), (41, 3810079), (91, 1716629), (149, 1048411), (281, 555919), (287, 544297), (533, 293083), (1043, 149773), (1937, 80647), (1967, 79417), (3653, 42763), (3731, 41869), (6109, 25571), (11521, 13559)]