81736304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{392963}}^1$

素因数の和:392984

約数の個数: 20

約数和(自身を含む): 170546376

約数和(自身を除く): 88810072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 392963, 785926, 1571852, 3143704, 5108519, 6287408, 10217038, 20434076, 40868152, 81736304]

約数ペア:

[(1, 81736304), (2, 40868152), (4, 20434076), (8, 10217038), (13, 6287408), (16, 5108519), (26, 3143704), (52, 1571852), (104, 785926), (208, 392963)]