87320428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 178877440

約数和(自身を除く): 91557012

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 2851, 5702, 7657, 11404, 15314, 30628, 37063, 54169, 74126, 88381, 108338, 148252, 176762, 216676, 353524, 704197, 1148953, 1408394, 1679239, 2297906, 2816788, 3358478, 4595812, 6716956, 21830107, 43660214, 87320428]

約数ペア:

[(1, 87320428), (2, 43660214), (4, 21830107), (13, 6716956), (19, 4595812), (26, 3358478), (31, 2816788), (38, 2297906), (52, 1679239), (62, 1408394), (76, 1148953), (124, 704197), (247, 353524), (403, 216676), (494, 176762), (589, 148252), (806, 108338), (988, 88381), (1178, 74126), (1612, 54169), (2356, 37063), (2851, 30628), (5702, 15314), (7657, 11404)]