71420839

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 83566080

約数和(自身を除く): 12145241

約数列:

[1, 7, 53, 311, 371, 619, 2177, 4333, 16483, 32807, 115381, 192509, 229649, 1347563, 10202977, 71420839]

約数ペア:

[(1, 71420839), (7, 10202977), (53, 1347563), (311, 229649), (371, 192509), (619, 115381), (2177, 32807), (4333, 16483)]