1389742018

素因数分解:

$2^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{12583}}^1$

素因数の和:12636

約数の個数: 40

約数和(自身を含む): 2537840448

約数和(自身を除く): 1148098430

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 2254, 2401, 4802, 7889, 12583, 15778, 25166, 55223, 88081, 110446, 176162, 289409, 578818, 616567, 1233134, 2025863, 4051726, 4315969, 8631938, 14181041, 28362082, 30211783, 60423566, 99267287, 198534574, 694871009, 1389742018]

約数ペア:

[(1, 1389742018), (2, 694871009), (7, 198534574), (14, 99267287), (23, 60423566), (46, 30211783), (49, 28362082), (98, 14181041), (161, 8631938), (322, 4315969), (343, 4051726), (686, 2025863), (1127, 1233134), (2254, 616567), (2401, 578818), (4802, 289409), (7889, 176162), (12583, 110446), (15778, 88081), (25166, 55223)]