65891590

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 121777920

約数和(自身を除く): 55886330

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 305, 545, 610, 991, 1090, 1982, 4955, 6649, 9910, 13298, 33245, 60451, 66490, 108019, 120902, 216038, 302255, 540095, 604510, 1080190, 6589159, 13178318, 32945795, 65891590]

約数ペア:

[(1, 65891590), (2, 32945795), (5, 13178318), (10, 6589159), (61, 1080190), (109, 604510), (122, 540095), (218, 302255), (305, 216038), (545, 120902), (610, 108019), (991, 66490), (1090, 60451), (1982, 33245), (4955, 13298), (6649, 9910)]