2018283475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 2780377600

約数和(自身を除く): 762094125

約数列:

[1, 5, 13, 25, 43, 65, 139, 215, 325, 559, 695, 1039, 1075, 1807, 2795, 3475, 5195, 5977, 9035, 13507, 13975, 25975, 29885, 44677, 45175, 67535, 77701, 144421, 149425, 223385, 337675, 388505, 580801, 722105, 1116925, 1877473, 1942525, 2904005, 3610525, 6210103, 9387365, 14520025, 31050515, 46936825, 80731339, 155252575, 403656695, 2018283475]

約数ペア:

[(1, 2018283475), (5, 403656695), (13, 155252575), (25, 80731339), (43, 46936825), (65, 31050515), (139, 14520025), (215, 9387365), (325, 6210103), (559, 3610525), (695, 2904005), (1039, 1942525), (1075, 1877473), (1807, 1116925), (2795, 722105), (3475, 580801), (5195, 388505), (5977, 337675), (9035, 223385), (13507, 149425), (13975, 144421), (25975, 77701), (29885, 67535), (44677, 45175)]