198159845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 264049632

約数和(自身を除く): 65889787

約数列:

[1, 5, 13, 53, 65, 97, 265, 485, 593, 689, 1261, 2965, 3445, 5141, 6305, 7709, 25705, 31429, 38545, 57521, 66833, 157145, 287605, 334165, 408577, 747773, 2042885, 3048613, 3738865, 15243065, 39631969, 198159845]

約数ペア:

[(1, 198159845), (5, 39631969), (13, 15243065), (53, 3738865), (65, 3048613), (97, 2042885), (265, 747773), (485, 408577), (593, 334165), (689, 287605), (1261, 157145), (2965, 66833), (3445, 57521), (5141, 38545), (6305, 31429), (7709, 25705)]