2002191555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{11197}}^1$

素因数の和:11356

約数の個数: 64

約数和(自身を含む): 3973229568

約数和(自身を除く): 1971038013

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 131, 195, 273, 393, 455, 655, 917, 1365, 1703, 1965, 2751, 4585, 5109, 8515, 11197, 11921, 13755, 25545, 33591, 35763, 55985, 59605, 78379, 145561, 167955, 178815, 235137, 391895, 436683, 727805, 1018927, 1175685, 1466807, 2183415, 3056781, 4400421, 5094635, 7334035, 10267649, 15283905, 19068491, 22002105, 30802947, 51338245, 57205473, 95342455, 133479437, 154014735, 286027365, 400438311, 667397185, 2002191555]

約数ペア:

[(1, 2002191555), (3, 667397185), (5, 400438311), (7, 286027365), (13, 154014735), (15, 133479437), (21, 95342455), (35, 57205473), (39, 51338245), (65, 30802947), (91, 22002105), (105, 19068491), (131, 15283905), (195, 10267649), (273, 7334035), (393, 5094635), (455, 4400421), (655, 3056781), (917, 2183415), (1365, 1466807), (1703, 1175685), (1965, 1018927), (2751, 727805), (4585, 436683), (5109, 391895), (8515, 235137), (11197, 178815), (11921, 167955), (13755, 145561), (25545, 78379), (33591, 59605), (35763, 55985)]