66922544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321743}}^1$

素因数の和:321764

約数の個数: 20

約数和(自身を含む): 139636896

約数和(自身を除く): 72714352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321743, 643486, 1286972, 2573944, 4182659, 5147888, 8365318, 16730636, 33461272, 66922544]

約数ペア:

[(1, 66922544), (2, 33461272), (4, 16730636), (8, 8365318), (13, 5147888), (16, 4182659), (26, 2573944), (52, 1286972), (104, 643486), (208, 321743)]