2018390017

素因数分解:

$7^3\times {\mathrm{191}}^1\times {\mathrm{30809}}^1$

素因数の和:31021

約数の個数: 16

約数和(自身を含む): 2366208000

約数和(自身を除く): 347817983

約数列:

[1, 7, 49, 191, 343, 1337, 9359, 30809, 65513, 215663, 1509641, 5884519, 10567487, 41191633, 288341431, 2018390017]

約数ペア:

[(1, 2018390017), (7, 288341431), (49, 41191633), (191, 10567487), (343, 5884519), (1337, 1509641), (9359, 215663), (30809, 65513)]