551490992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 1202423040

約数和(自身を除く): 650932048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 89, 104, 124, 178, 208, 248, 356, 403, 496, 712, 806, 961, 1157, 1424, 1612, 1922, 2314, 2759, 3224, 3844, 4628, 5518, 6448, 7688, 9256, 11036, 12493, 15376, 18512, 22072, 24986, 29791, 35867, 44144, 49972, 59582, 71734, 85529, 99944, 119164, 143468, 171058, 199888, 238328, 286936, 342116, 387283, 476656, 573872, 684232, 774566, 1111877, 1368464, 1549132, 2223754, 2651399, 3098264, 4447508, 5302798, 6196528, 8895016, 10605596, 17790032, 21211192, 34468187, 42422384, 68936374, 137872748, 275745496, 551490992]

約数ペア:

[(1, 551490992), (2, 275745496), (4, 137872748), (8, 68936374), (13, 42422384), (16, 34468187), (26, 21211192), (31, 17790032), (52, 10605596), (62, 8895016), (89, 6196528), (104, 5302798), (124, 4447508), (178, 3098264), (208, 2651399), (248, 2223754), (356, 1549132), (403, 1368464), (496, 1111877), (712, 774566), (806, 684232), (961, 573872), (1157, 476656), (1424, 387283), (1612, 342116), (1922, 286936), (2314, 238328), (2759, 199888), (3224, 171058), (3844, 143468), (4628, 119164), (5518, 99944), (6448, 85529), (7688, 71734), (9256, 59582), (11036, 49972), (12493, 44144), (15376, 35867), (18512, 29791), (22072, 24986)]