81831490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 163527336

約数和(自身を除く): 81695846

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 338, 410, 533, 845, 1066, 1181, 1690, 2362, 2665, 5330, 5905, 6929, 11810, 13858, 15353, 30706, 34645, 48421, 69290, 76765, 96842, 153530, 199589, 242105, 399178, 484210, 629473, 997945, 1258946, 1995890, 3147365, 6294730, 8183149, 16366298, 40915745, 81831490]

約数ペア:

[(1, 81831490), (2, 40915745), (5, 16366298), (10, 8183149), (13, 6294730), (26, 3147365), (41, 1995890), (65, 1258946), (82, 997945), (130, 629473), (169, 484210), (205, 399178), (338, 242105), (410, 199589), (533, 153530), (845, 96842), (1066, 76765), (1181, 69290), (1690, 48421), (2362, 34645), (2665, 30706), (5330, 15353), (5905, 13858), (6929, 11810)]