1918569575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 2616811680

約数和(自身を除く): 698242105

約数列:

[1, 5, 13, 25, 65, 73, 193, 325, 365, 419, 949, 965, 1825, 2095, 2509, 4745, 4825, 5447, 10475, 12545, 14089, 23725, 27235, 30587, 62725, 70445, 80867, 136175, 152935, 183157, 352225, 397631, 404335, 764675, 915785, 1051271, 1988155, 2021675, 4578925, 5256355, 5903291, 9940775, 26281775, 29516455, 76742783, 147582275, 383713915, 1918569575]

約数ペア:

[(1, 1918569575), (5, 383713915), (13, 147582275), (25, 76742783), (65, 29516455), (73, 26281775), (193, 9940775), (325, 5903291), (365, 5256355), (419, 4578925), (949, 2021675), (965, 1988155), (1825, 1051271), (2095, 915785), (2509, 764675), (4745, 404335), (4825, 397631), (5447, 352225), (10475, 183157), (12545, 152935), (14089, 136175), (23725, 80867), (27235, 70445), (30587, 62725)]