61281288

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2081}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 166455900

約数和(自身を除く): 105174612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 818, 1227, 1636, 2081, 2454, 3272, 3681, 4162, 4908, 6243, 7362, 8324, 9816, 12486, 14724, 16648, 18729, 24972, 29448, 37458, 49944, 74916, 149832, 851129, 1702258, 2553387, 3404516, 5106774, 6809032, 7660161, 10213548, 15320322, 20427096, 30640644, 61281288]

約数ペア:

[(1, 61281288), (2, 30640644), (3, 20427096), (4, 15320322), (6, 10213548), (8, 7660161), (9, 6809032), (12, 5106774), (18, 3404516), (24, 2553387), (36, 1702258), (72, 851129), (409, 149832), (818, 74916), (1227, 49944), (1636, 37458), (2081, 29448), (2454, 24972), (3272, 18729), (3681, 16648), (4162, 14724), (4908, 12486), (6243, 9816), (7362, 8324)]