28778092

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 62339760

約数和(自身を除く): 33561668

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 61, 83, 98, 116, 122, 166, 196, 203, 244, 332, 406, 427, 581, 812, 854, 1162, 1421, 1708, 1769, 2324, 2407, 2842, 2989, 3538, 4067, 4814, 5063, 5684, 5978, 7076, 8134, 9628, 10126, 11956, 12383, 16268, 16849, 20252, 24766, 33698, 35441, 49532, 67396, 70882, 86681, 117943, 141764, 146827, 173362, 235886, 248087, 293654, 346724, 471772, 496174, 587308, 992348, 1027789, 2055578, 4111156, 7194523, 14389046, 28778092]

約数ペア:

[(1, 28778092), (2, 14389046), (4, 7194523), (7, 4111156), (14, 2055578), (28, 1027789), (29, 992348), (49, 587308), (58, 496174), (61, 471772), (83, 346724), (98, 293654), (116, 248087), (122, 235886), (166, 173362), (196, 146827), (203, 141764), (244, 117943), (332, 86681), (406, 70882), (427, 67396), (581, 49532), (812, 35441), (854, 33698), (1162, 24766), (1421, 20252), (1708, 16849), (1769, 16268), (2324, 12383), (2407, 11956), (2842, 10126), (2989, 9628), (3538, 8134), (4067, 7076), (4814, 5978), (5063, 5684)]