28660866832

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{815341}}^1$

素因数の和:815388

約数の個数: 40

約数和(自身を含む): 60155932760

約数和(自身を除く): 31495065928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2197, 2704, 4394, 8788, 17576, 35152, 815341, 1630682, 3261364, 6522728, 10599433, 13045456, 21198866, 42397732, 84795464, 137792629, 169590928, 275585258, 551170516, 1102341032, 1791304177, 2204682064, 3582608354, 7165216708, 14330433416, 28660866832]

約数ペア:

[(1, 28660866832), (2, 14330433416), (4, 7165216708), (8, 3582608354), (13, 2204682064), (16, 1791304177), (26, 1102341032), (52, 551170516), (104, 275585258), (169, 169590928), (208, 137792629), (338, 84795464), (676, 42397732), (1352, 21198866), (2197, 13045456), (2704, 10599433), (4394, 6522728), (8788, 3261364), (17576, 1630682), (35152, 815341)]