15661407545

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{1063}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 22854107136

約数和(自身を除く): 7192699591

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 367, 1063, 1085, 1147, 1295, 1835, 2569, 5315, 5735, 7441, 8029, 11377, 12845, 13579, 32953, 37205, 39331, 40145, 56885, 67895, 79639, 95053, 164765, 196655, 230671, 275317, 390121, 398195, 420949, 475265, 1153355, 1219261, 1376585, 1950605, 2104745, 2730847, 2946643, 6096305, 8534827, 12093751, 13654235, 14434477, 14733215, 42674135, 60468755, 72172385, 84656257, 101041339, 423281285, 447468787, 505206695, 2237343935, 3132281509, 15661407545]

約数ペア:

[(1, 15661407545), (5, 3132281509), (7, 2237343935), (31, 505206695), (35, 447468787), (37, 423281285), (155, 101041339), (185, 84656257), (217, 72172385), (259, 60468755), (367, 42674135), (1063, 14733215), (1085, 14434477), (1147, 13654235), (1295, 12093751), (1835, 8534827), (2569, 6096305), (5315, 2946643), (5735, 2730847), (7441, 2104745), (8029, 1950605), (11377, 1376585), (12845, 1219261), (13579, 1153355), (32953, 475265), (37205, 420949), (39331, 398195), (40145, 390121), (56885, 275317), (67895, 230671), (79639, 196655), (95053, 164765)]