891875255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 1207084032

約数和(自身を除く): 315208777

約数列:

[1, 5, 23, 41, 43, 53, 83, 115, 205, 215, 265, 415, 943, 989, 1219, 1763, 1909, 2173, 2279, 3403, 3569, 4399, 4715, 4945, 6095, 8815, 9545, 10865, 11395, 17015, 17845, 21995, 40549, 49979, 52417, 78269, 82087, 93439, 101177, 146329, 180359, 189157, 202745, 249895, 262085, 391345, 410435, 467195, 505885, 731645, 901795, 945785, 2149097, 3365567, 4148257, 4350611, 7755437, 10745485, 16827835, 20741285, 21753055, 38777185, 178375051, 891875255]

約数ペア:

[(1, 891875255), (5, 178375051), (23, 38777185), (41, 21753055), (43, 20741285), (53, 16827835), (83, 10745485), (115, 7755437), (205, 4350611), (215, 4148257), (265, 3365567), (415, 2149097), (943, 945785), (989, 901795), (1219, 731645), (1763, 505885), (1909, 467195), (2173, 410435), (2279, 391345), (3403, 262085), (3569, 249895), (4399, 202745), (4715, 189157), (4945, 180359), (6095, 146329), (8815, 101177), (9545, 93439), (10865, 82087), (11395, 78269), (17015, 52417), (17845, 49979), (21995, 40549)]