205659895

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 305702208

約数和(自身を除く): 100042313

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 361, 397, 665, 779, 1435, 1805, 1985, 2527, 2779, 3895, 5453, 7543, 12635, 13895, 14801, 16277, 27265, 37715, 52801, 74005, 81385, 103607, 113939, 143317, 264005, 309263, 518035, 569695, 716585, 1003219, 1546315, 2164841, 5016095, 5875997, 10824205, 29379985, 41131979, 205659895]

約数ペア:

[(1, 205659895), (5, 41131979), (7, 29379985), (19, 10824205), (35, 5875997), (41, 5016095), (95, 2164841), (133, 1546315), (205, 1003219), (287, 716585), (361, 569695), (397, 518035), (665, 309263), (779, 264005), (1435, 143317), (1805, 113939), (1985, 103607), (2527, 81385), (2779, 74005), (3895, 52801), (5453, 37715), (7543, 27265), (12635, 16277), (13895, 14801)]