81337610

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 149472000

約数和(自身を除く): 68134390

約数列:

[1, 2, 5, 10, 79, 149, 158, 298, 395, 691, 745, 790, 1382, 1490, 3455, 6910, 11771, 23542, 54589, 58855, 102959, 109178, 117710, 205918, 272945, 514795, 545890, 1029590, 8133761, 16267522, 40668805, 81337610]

約数ペア:

[(1, 81337610), (2, 40668805), (5, 16267522), (10, 8133761), (79, 1029590), (149, 545890), (158, 514795), (298, 272945), (395, 205918), (691, 117710), (745, 109178), (790, 102959), (1382, 58855), (1490, 54589), (3455, 23542), (6910, 11771)]