1780490036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{154933}}^1$

素因数の和:154980

約数の個数: 36

約数和(自身を含む): 3572468172

約数和(自身を除く): 1791978136

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2873, 5746, 11492, 154933, 309866, 619732, 2014129, 2633861, 4028258, 5267722, 8056516, 10535444, 26183677, 34240193, 52367354, 68480386, 104734708, 136960772, 445122509, 890245018, 1780490036]

約数ペア:

[(1, 1780490036), (2, 890245018), (4, 445122509), (13, 136960772), (17, 104734708), (26, 68480386), (34, 52367354), (52, 34240193), (68, 26183677), (169, 10535444), (221, 8056516), (338, 5267722), (442, 4028258), (676, 2633861), (884, 2014129), (2873, 619732), (5746, 309866), (11492, 154933)]