80398696

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 177742080

約数和(自身を除く): 97343384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 73, 142, 146, 277, 284, 292, 497, 511, 554, 568, 584, 994, 1022, 1108, 1939, 1988, 2044, 2216, 3878, 3976, 4088, 5183, 7756, 10366, 15512, 19667, 20221, 20732, 36281, 39334, 40442, 41464, 72562, 78668, 80884, 137669, 141547, 145124, 157336, 161768, 275338, 283094, 290248, 550676, 566188, 1101352, 1132376, 1435691, 2871382, 5742764, 10049837, 11485528, 20099674, 40199348, 80398696]

約数ペア:

[(1, 80398696), (2, 40199348), (4, 20099674), (7, 11485528), (8, 10049837), (14, 5742764), (28, 2871382), (56, 1435691), (71, 1132376), (73, 1101352), (142, 566188), (146, 550676), (277, 290248), (284, 283094), (292, 275338), (497, 161768), (511, 157336), (554, 145124), (568, 141547), (584, 137669), (994, 80884), (1022, 78668), (1108, 72562), (1939, 41464), (1988, 40442), (2044, 39334), (2216, 36281), (3878, 20732), (3976, 20221), (4088, 19667), (5183, 15512), (7756, 10366)]