78310018

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{2473}}^1$

素因数の和:2769

約数の個数: 16

約数和(自身を含む): 119702016

約数和(自身を除く): 41391998

約数列:

[1, 2, 71, 142, 223, 446, 2473, 4946, 15833, 31666, 175583, 351166, 551479, 1102958, 39155009, 78310018]

約数ペア:

[(1, 78310018), (2, 39155009), (71, 1102958), (142, 551479), (223, 351166), (446, 175583), (2473, 31666), (4946, 15833)]