1211587208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{219809}}^1$

素因数の和:219881

約数の個数: 32

約数和(自身を含む): 2492645400

約数和(自身を除く): 1281058192

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 219809, 439618, 879236, 1758472, 2857517, 5715034, 11430068, 11649877, 22860136, 23299754, 46599508, 93199016, 151448401, 302896802, 605793604, 1211587208]

約数ペア:

[(1, 1211587208), (2, 605793604), (4, 302896802), (8, 151448401), (13, 93199016), (26, 46599508), (52, 23299754), (53, 22860136), (104, 11649877), (106, 11430068), (212, 5715034), (424, 2857517), (689, 1758472), (1378, 879236), (2756, 439618), (5512, 219809)]