890449934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 1587548160

約数和(自身を除く): 697098226

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 107, 209, 214, 418, 463, 473, 817, 926, 946, 1177, 1634, 2033, 2354, 4066, 4601, 5093, 8797, 8987, 9202, 10186, 17594, 17974, 19909, 22363, 39818, 44726, 49541, 50611, 87419, 96767, 99082, 101222, 174838, 193534, 218999, 378271, 437998, 544951, 756542, 941279, 961609, 1089902, 1882558, 1923218, 2130263, 4160981, 4260526, 8321962, 10354069, 20708138, 23432893, 40474997, 46865786, 80949994, 445224967, 890449934]

約数ペア:

[(1, 890449934), (2, 445224967), (11, 80949994), (19, 46865786), (22, 40474997), (38, 23432893), (43, 20708138), (86, 10354069), (107, 8321962), (209, 4260526), (214, 4160981), (418, 2130263), (463, 1923218), (473, 1882558), (817, 1089902), (926, 961609), (946, 941279), (1177, 756542), (1634, 544951), (2033, 437998), (2354, 378271), (4066, 218999), (4601, 193534), (5093, 174838), (8797, 101222), (8987, 99082), (9202, 96767), (10186, 87419), (17594, 50611), (17974, 49541), (19909, 44726), (22363, 39818)]