220498668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10957}}^1$

素因数の和:11023

約数の個数: 72

約数和(自身を含む): 614261648

約数和(自身を除く): 393762980

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 10957, 20124, 21914, 32871, 43828, 65742, 98613, 131484, 142441, 197226, 284882, 394452, 427323, 471151, 569764, 854646, 942302, 1281969, 1413453, 1709292, 1884604, 2563938, 2826906, 4240359, 5127876, 5653812, 6124963, 8480718, 12249926, 16961436, 18374889, 24499852, 36749778, 55124667, 73499556, 110249334, 220498668]

約数ペア:

[(1, 220498668), (2, 110249334), (3, 73499556), (4, 55124667), (6, 36749778), (9, 24499852), (12, 18374889), (13, 16961436), (18, 12249926), (26, 8480718), (36, 6124963), (39, 5653812), (43, 5127876), (52, 4240359), (78, 2826906), (86, 2563938), (117, 1884604), (129, 1709292), (156, 1413453), (172, 1281969), (234, 942302), (258, 854646), (387, 569764), (468, 471151), (516, 427323), (559, 394452), (774, 284882), (1118, 197226), (1548, 142441), (1677, 131484), (2236, 98613), (3354, 65742), (5031, 43828), (6708, 32871), (10062, 21914), (10957, 20124)]