1640890734

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{7741}}^1$

素因数の和:7870

約数の個数: 64

約数和(自身を含む): 3864806400

約数和(自身を除く): 2223915666

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 343, 618, 686, 721, 1029, 1442, 2058, 2163, 4326, 5047, 7741, 10094, 15141, 15482, 23223, 30282, 35329, 46446, 54187, 70658, 105987, 108374, 162561, 211974, 325122, 379309, 758618, 797323, 1137927, 1594646, 2275854, 2391969, 2655163, 4783938, 5310326, 5581261, 7965489, 11162522, 15930978, 16743783, 33487566, 39068827, 78137654, 117206481, 234412962, 273481789, 546963578, 820445367, 1640890734]

約数ペア:

[(1, 1640890734), (2, 820445367), (3, 546963578), (6, 273481789), (7, 234412962), (14, 117206481), (21, 78137654), (42, 39068827), (49, 33487566), (98, 16743783), (103, 15930978), (147, 11162522), (206, 7965489), (294, 5581261), (309, 5310326), (343, 4783938), (618, 2655163), (686, 2391969), (721, 2275854), (1029, 1594646), (1442, 1137927), (2058, 797323), (2163, 758618), (4326, 379309), (5047, 325122), (7741, 211974), (10094, 162561), (15141, 108374), (15482, 105987), (23223, 70658), (30282, 54187), (35329, 46446)]