220278526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{51977}}^1$

素因数の和:52155

約数の個数: 16

約数和(自身を含む): 358024464

約数和(自身を除く): 137745938

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 51977, 103954, 675701, 1351402, 8472251, 16944502, 110139263, 220278526]

約数ペア:

[(1, 220278526), (2, 110139263), (13, 16944502), (26, 8472251), (163, 1351402), (326, 675701), (2119, 103954), (4238, 51977)]