788394490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{17377}}^1$

素因数の和:17746

約数の個数: 32

約数和(自身を含む): 1532739600

約数和(自身を除く): 744345110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 3490, 4537, 9074, 17377, 22685, 34754, 45370, 86885, 173770, 225901, 451802, 1129505, 2259010, 6064573, 12129146, 30322865, 60645730, 78839449, 157678898, 394197245, 788394490]

約数ペア:

[(1, 788394490), (2, 394197245), (5, 157678898), (10, 78839449), (13, 60645730), (26, 30322865), (65, 12129146), (130, 6064573), (349, 2259010), (698, 1129505), (1745, 451802), (3490, 225901), (4537, 173770), (9074, 86885), (17377, 45370), (22685, 34754)]