243388915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 395394048

約数和(自身を除く): 152005133

約数列:

[1, 5, 7, 11, 17, 35, 41, 55, 77, 85, 119, 187, 205, 287, 385, 451, 595, 697, 907, 935, 1309, 1435, 2255, 3157, 3485, 4535, 4879, 6349, 6545, 7667, 9977, 15419, 15785, 24395, 31745, 37187, 38335, 49885, 53669, 69839, 77095, 107933, 169609, 185935, 260309, 268345, 349195, 409057, 539665, 632179, 848045, 1187263, 1301545, 2045285, 2863399, 3160895, 4425253, 5936315, 6953969, 14316995, 22126265, 34769845, 48677783, 243388915]

約数ペア:

[(1, 243388915), (5, 48677783), (7, 34769845), (11, 22126265), (17, 14316995), (35, 6953969), (41, 5936315), (55, 4425253), (77, 3160895), (85, 2863399), (119, 2045285), (187, 1301545), (205, 1187263), (287, 848045), (385, 632179), (451, 539665), (595, 409057), (697, 349195), (907, 268345), (935, 260309), (1309, 185935), (1435, 169609), (2255, 107933), (3157, 77095), (3485, 69839), (4535, 53669), (4879, 49885), (6349, 38335), (6545, 37187), (7667, 31745), (9977, 24395), (15419, 15785)]