7887704890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1433}}^1\times {\mathrm{3257}}^1$

素因数の和:4723

約数の個数: 48

約数和(自身を含む): 15389475768

約数和(自身を除く): 7501770878

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1433, 1690, 2866, 3257, 6514, 7165, 14330, 16285, 18629, 32570, 37258, 42341, 84682, 93145, 186290, 211705, 242177, 423410, 484354, 550433, 1100866, 1210885, 2421770, 2752165, 4667281, 5504330, 9334562, 23336405, 46672810, 60674653, 121349306, 303373265, 606746530, 788770489, 1577540978, 3943852445, 7887704890]

約数ペア:

[(1, 7887704890), (2, 3943852445), (5, 1577540978), (10, 788770489), (13, 606746530), (26, 303373265), (65, 121349306), (130, 60674653), (169, 46672810), (338, 23336405), (845, 9334562), (1433, 5504330), (1690, 4667281), (2866, 2752165), (3257, 2421770), (6514, 1210885), (7165, 1100866), (14330, 550433), (16285, 484354), (18629, 423410), (32570, 242177), (37258, 211705), (42341, 186290), (84682, 93145)]