131551888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 287950320

約数和(自身を除く): 156398432

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 113, 116, 193, 208, 226, 232, 377, 386, 452, 464, 754, 772, 904, 1469, 1508, 1544, 1808, 2509, 2938, 3016, 3088, 3277, 5018, 5597, 5876, 6032, 6554, 10036, 11194, 11752, 13108, 20072, 21809, 22388, 23504, 26216, 40144, 42601, 43618, 44776, 52432, 72761, 85202, 87236, 89552, 145522, 170404, 174472, 283517, 291044, 340808, 348944, 567034, 582088, 632461, 681616, 1134068, 1164176, 1264922, 2268136, 2529844, 4536272, 5059688, 8221993, 10119376, 16443986, 32887972, 65775944, 131551888]

約数ペア:

[(1, 131551888), (2, 65775944), (4, 32887972), (8, 16443986), (13, 10119376), (16, 8221993), (26, 5059688), (29, 4536272), (52, 2529844), (58, 2268136), (104, 1264922), (113, 1164176), (116, 1134068), (193, 681616), (208, 632461), (226, 582088), (232, 567034), (377, 348944), (386, 340808), (452, 291044), (464, 283517), (754, 174472), (772, 170404), (904, 145522), (1469, 89552), (1508, 87236), (1544, 85202), (1808, 72761), (2509, 52432), (2938, 44776), (3016, 43618), (3088, 42601), (3277, 40144), (5018, 26216), (5597, 23504), (5876, 22388), (6032, 21809), (6554, 20072), (10036, 13108), (11194, 11752)]