1640331485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{615509}}^1$

素因数の和:615568

約数の個数: 16

約数和(自身を含む): 2171519280

約数和(自身を除く): 531187795

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 615509, 3077545, 8001617, 25235869, 40008085, 126179345, 328066297, 1640331485]

約数ペア:

[(1, 1640331485), (5, 328066297), (13, 126179345), (41, 40008085), (65, 25235869), (205, 8001617), (533, 3077545), (2665, 615509)]