9780991198

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{3469}}^1$

素因数の和:3745

約数の個数: 48

約数和(自身を含む): 16481445120

約数和(自身を除く): 6700453922

約数列:

[1, 2, 11, 22, 61, 121, 122, 191, 242, 382, 671, 1342, 2101, 3469, 4202, 6938, 7381, 11651, 14762, 23111, 23302, 38159, 46222, 76318, 128161, 211609, 256322, 419749, 423218, 662579, 839498, 1325158, 1409771, 2327699, 2819542, 4655398, 7288369, 14576738, 25604689, 40417319, 51209378, 80172059, 80834638, 160344118, 444590509, 889181018, 4890495599, 9780991198]

約数ペア:

[(1, 9780991198), (2, 4890495599), (11, 889181018), (22, 444590509), (61, 160344118), (121, 80834638), (122, 80172059), (191, 51209378), (242, 40417319), (382, 25604689), (671, 14576738), (1342, 7288369), (2101, 4655398), (3469, 2819542), (4202, 2327699), (6938, 1409771), (7381, 1325158), (11651, 839498), (14762, 662579), (23111, 423218), (23302, 419749), (38159, 256322), (46222, 211609), (76318, 128161)]