998840336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 2275479360

約数和(自身を除く): 1276639024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 263, 304, 403, 494, 496, 526, 589, 806, 961, 988, 1052, 1178, 1612, 1922, 1976, 2104, 2356, 3224, 3419, 3844, 3952, 4208, 4712, 4997, 6448, 6838, 7657, 7688, 8153, 9424, 9994, 12493, 13676, 15314, 15376, 16306, 18259, 19988, 24986, 27352, 30628, 32612, 36518, 39976, 49972, 54704, 61256, 64961, 65224, 73036, 79952, 99944, 105989, 122512, 129922, 130448, 146072, 154907, 199888, 211978, 237367, 252743, 259844, 292144, 309814, 423956, 474734, 505486, 519688, 619628, 847912, 949468, 1010972, 1039376, 1239256, 1695824, 1898936, 2013791, 2021944, 2478512, 3285659, 3797872, 4027582, 4043888, 4802117, 6571318, 8055164, 9604234, 13142636, 16110328, 19208468, 26285272, 32220656, 38416936, 52570544, 62427521, 76833872, 124855042, 249710084, 499420168, 998840336]

約数ペア:

[(1, 998840336), (2, 499420168), (4, 249710084), (8, 124855042), (13, 76833872), (16, 62427521), (19, 52570544), (26, 38416936), (31, 32220656), (38, 26285272), (52, 19208468), (62, 16110328), (76, 13142636), (104, 9604234), (124, 8055164), (152, 6571318), (208, 4802117), (247, 4043888), (248, 4027582), (263, 3797872), (304, 3285659), (403, 2478512), (494, 2021944), (496, 2013791), (526, 1898936), (589, 1695824), (806, 1239256), (961, 1039376), (988, 1010972), (1052, 949468), (1178, 847912), (1612, 619628), (1922, 519688), (1976, 505486), (2104, 474734), (2356, 423956), (3224, 309814), (3419, 292144), (3844, 259844), (3952, 252743), (4208, 237367), (4712, 211978), (4997, 199888), (6448, 154907), (6838, 146072), (7657, 130448), (7688, 129922), (8153, 122512), (9424, 105989), (9994, 99944), (12493, 79952), (13676, 73036), (15314, 65224), (15376, 64961), (16306, 61256), (18259, 54704), (19988, 49972), (24986, 39976), (27352, 36518), (30628, 32612)]