1947993985

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{4993}}^1$

素因数の和:5233

約数の個数: 32

約数和(自身を含む): 2726963712

約数和(自身を除く): 778969727

約数列:

[1, 5, 7, 35, 71, 157, 355, 497, 785, 1099, 2485, 4993, 5495, 11147, 24965, 34951, 55735, 78029, 174755, 354503, 390145, 783901, 1772515, 2481521, 3919505, 5487307, 12407605, 27436535, 55656971, 278284855, 389598797, 1947993985]

約数ペア:

[(1, 1947993985), (5, 389598797), (7, 278284855), (35, 55656971), (71, 27436535), (157, 12407605), (355, 5487307), (497, 3919505), (785, 2481521), (1099, 1772515), (2485, 783901), (4993, 390145), (5495, 354503), (11147, 174755), (24965, 78029), (34951, 55735)]