890977045

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 1302248448

約数和(自身を除く): 411271403

約数列:

[1, 5, 7, 31, 35, 49, 73, 155, 217, 245, 365, 511, 1085, 1519, 1607, 2263, 2555, 3577, 7595, 8035, 11249, 11315, 15841, 17885, 49817, 56245, 78743, 79205, 110887, 117311, 249085, 348719, 393715, 554435, 586555, 821177, 1743595, 2441033, 3636641, 4105885, 5748239, 12205165, 18183205, 25456487, 28741195, 127282435, 178195409, 890977045]

約数ペア:

[(1, 890977045), (5, 178195409), (7, 127282435), (31, 28741195), (35, 25456487), (49, 18183205), (73, 12205165), (155, 5748239), (217, 4105885), (245, 3636641), (365, 2441033), (511, 1743595), (1085, 821177), (1519, 586555), (1607, 554435), (2263, 393715), (2555, 348719), (3577, 249085), (7595, 117311), (8035, 110887), (11249, 79205), (11315, 78743), (15841, 56245), (17885, 49817)]