66412349744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319290143}}^1$

素因数の和:319290164

約数の個数: 20

約数和(自身を含む): 138571922496

約数和(自身を除く): 72159572752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319290143, 638580286, 1277160572, 2554321144, 4150771859, 5108642288, 8301543718, 16603087436, 33206174872, 66412349744]

約数ペア:

[(1, 66412349744), (2, 33206174872), (4, 16603087436), (8, 8301543718), (13, 5108642288), (16, 4150771859), (26, 2554321144), (52, 1277160572), (104, 638580286), (208, 319290143)]