30481969

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 41171328

約数和(自身を除く): 10689359

約数列:

[1, 7, 17, 23, 37, 43, 49, 119, 161, 259, 301, 391, 629, 731, 833, 851, 989, 1127, 1591, 1813, 2107, 2737, 4403, 5117, 5957, 6923, 11137, 14467, 16813, 19159, 27047, 30821, 35819, 36593, 41699, 48461, 77959, 101269, 117691, 189329, 256151, 622081, 708883, 823837, 1325303, 1793057, 4354567, 30481969]

約数ペア:

[(1, 30481969), (7, 4354567), (17, 1793057), (23, 1325303), (37, 823837), (43, 708883), (49, 622081), (119, 256151), (161, 189329), (259, 117691), (301, 101269), (391, 77959), (629, 48461), (731, 41699), (833, 36593), (851, 35819), (989, 30821), (1127, 27047), (1591, 19159), (1813, 16813), (2107, 14467), (2737, 11137), (4403, 6923), (5117, 5957)]