905360638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{691}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 1752210432

約数和(自身を除く): 846849794

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 313, 322, 598, 626, 691, 1382, 2093, 2191, 4069, 4186, 4382, 4837, 7199, 8138, 8983, 9674, 14398, 15893, 17966, 28483, 31786, 50393, 56966, 62881, 93587, 100786, 111251, 125762, 187174, 206609, 216283, 222502, 413218, 432566, 655109, 1310218, 1446263, 1513981, 2811679, 2892526, 3027962, 4974509, 5623358, 9949018, 19681753, 34821563, 39363506, 64668617, 69643126, 129337234, 452680319, 905360638]

約数ペア:

[(1, 905360638), (2, 452680319), (7, 129337234), (13, 69643126), (14, 64668617), (23, 39363506), (26, 34821563), (46, 19681753), (91, 9949018), (161, 5623358), (182, 4974509), (299, 3027962), (313, 2892526), (322, 2811679), (598, 1513981), (626, 1446263), (691, 1310218), (1382, 655109), (2093, 432566), (2191, 413218), (4069, 222502), (4186, 216283), (4382, 206609), (4837, 187174), (7199, 125762), (8138, 111251), (8983, 100786), (9674, 93587), (14398, 62881), (15893, 56966), (17966, 50393), (28483, 31786)]