28183688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 35320312

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 839, 884, 988, 1292, 1678, 1768, 1976, 2584, 3356, 4199, 6712, 8398, 10907, 14263, 15941, 16796, 21814, 28526, 31882, 33592, 43628, 57052, 63764, 87256, 114104, 127528, 185419, 207233, 270997, 370838, 414466, 541994, 741676, 828932, 1083988, 1483352, 1657864, 2167976, 3522961, 7045922, 14091844, 28183688]

約数ペア:

[(1, 28183688), (2, 14091844), (4, 7045922), (8, 3522961), (13, 2167976), (17, 1657864), (19, 1483352), (26, 1083988), (34, 828932), (38, 741676), (52, 541994), (68, 414466), (76, 370838), (104, 270997), (136, 207233), (152, 185419), (221, 127528), (247, 114104), (323, 87256), (442, 63764), (494, 57052), (646, 43628), (839, 33592), (884, 31882), (988, 28526), (1292, 21814), (1678, 16796), (1768, 15941), (1976, 14263), (2584, 10907), (3356, 8398), (4199, 6712)]