258909144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1663}}^1$

素因数の和:2184

約数の個数: 64

約数和(自身を含む): 698880000

約数和(自身を除く): 439970856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 499, 998, 1497, 1663, 1996, 2994, 3326, 3992, 4989, 5988, 6487, 6652, 9978, 11976, 12974, 13304, 19461, 19956, 21619, 25948, 38922, 39912, 43238, 51896, 64857, 77844, 86476, 129714, 155688, 172952, 259428, 518856, 829837, 1659674, 2489511, 3319348, 4979022, 6638696, 9958044, 10787881, 19916088, 21575762, 32363643, 43151524, 64727286, 86303048, 129454572, 258909144]

約数ペア:

[(1, 258909144), (2, 129454572), (3, 86303048), (4, 64727286), (6, 43151524), (8, 32363643), (12, 21575762), (13, 19916088), (24, 10787881), (26, 9958044), (39, 6638696), (52, 4979022), (78, 3319348), (104, 2489511), (156, 1659674), (312, 829837), (499, 518856), (998, 259428), (1497, 172952), (1663, 155688), (1996, 129714), (2994, 86476), (3326, 77844), (3992, 64857), (4989, 51896), (5988, 43238), (6487, 39912), (6652, 38922), (9978, 25948), (11976, 21619), (12974, 19956), (13304, 19461)]