890303757

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 1451520000

約数和(自身を除く): 561216243

約数列:

[1, 3, 7, 21, 23, 69, 89, 139, 149, 161, 267, 417, 447, 483, 623, 973, 1043, 1869, 2047, 2919, 3129, 3197, 3427, 6141, 9591, 10281, 12371, 13261, 14329, 20711, 22379, 23989, 37113, 39783, 42987, 62133, 67137, 71967, 86597, 92827, 144977, 259791, 278481, 284533, 305003, 434931, 476353, 853599, 915009, 1429059, 1843279, 1991731, 2135021, 3334471, 5529837, 5975193, 6405063, 10003413, 12902953, 38708859, 42395417, 127186251, 296767919, 890303757]

約数ペア:

[(1, 890303757), (3, 296767919), (7, 127186251), (21, 42395417), (23, 38708859), (69, 12902953), (89, 10003413), (139, 6405063), (149, 5975193), (161, 5529837), (267, 3334471), (417, 2135021), (447, 1991731), (483, 1843279), (623, 1429059), (973, 915009), (1043, 853599), (1869, 476353), (2047, 434931), (2919, 305003), (3129, 284533), (3197, 278481), (3427, 259791), (6141, 144977), (9591, 92827), (10281, 86597), (12371, 71967), (13261, 67137), (14329, 62133), (20711, 42987), (22379, 39783), (23989, 37113)]