8821072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{42409}}^1$

素因数の和:42430

約数の個数: 20

約数和(自身を含む): 18405940

約数和(自身を除く): 9584868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 42409, 84818, 169636, 339272, 551317, 678544, 1102634, 2205268, 4410536, 8821072]

約数ペア:

[(1, 8821072), (2, 4410536), (4, 2205268), (8, 1102634), (13, 678544), (16, 551317), (26, 339272), (52, 169636), (104, 84818), (208, 42409)]