1643798780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{486331}}^1$

素因数の和:486366

約数の個数: 36

約数和(自身を含む): 3737947752

約数和(自身を除く): 2094148972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 486331, 972662, 1945324, 2431655, 4863310, 6322303, 9726620, 12644606, 25289212, 31611515, 63223030, 82189939, 126446060, 164379878, 328759756, 410949695, 821899390, 1643798780]

約数ペア:

[(1, 1643798780), (2, 821899390), (4, 410949695), (5, 328759756), (10, 164379878), (13, 126446060), (20, 82189939), (26, 63223030), (52, 31611515), (65, 25289212), (130, 12644606), (169, 9726620), (260, 6322303), (338, 4863310), (676, 2431655), (845, 1945324), (1690, 972662), (3380, 486331)]