1213378555

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2633}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 1556630784

約数和(自身を除く): 343252229

約数列:

[1, 5, 37, 47, 53, 185, 235, 265, 1739, 1961, 2491, 2633, 8695, 9805, 12455, 13165, 92167, 97421, 123751, 139549, 460835, 487105, 618755, 697745, 4578787, 5163313, 6558803, 22893935, 25816565, 32794015, 242675711, 1213378555]

約数ペア:

[(1, 1213378555), (5, 242675711), (37, 32794015), (47, 25816565), (53, 22893935), (185, 6558803), (235, 5163313), (265, 4578787), (1739, 697745), (1961, 618755), (2491, 487105), (2633, 460835), (8695, 139549), (9805, 123751), (12455, 97421), (13165, 92167)]