61391755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 80481600

約数和(自身を除く): 19089845

約数列:

[1, 5, 19, 53, 89, 95, 137, 265, 445, 685, 1007, 1691, 2603, 4717, 5035, 7261, 8455, 12193, 13015, 23585, 36305, 60965, 89623, 137959, 231667, 448115, 646229, 689795, 1158335, 3231145, 12278351, 61391755]

約数ペア:

[(1, 61391755), (5, 12278351), (19, 3231145), (53, 1158335), (89, 689795), (95, 646229), (137, 448115), (265, 231667), (445, 137959), (685, 89623), (1007, 60965), (1691, 36305), (2603, 23585), (4717, 13015), (5035, 12193), (7261, 8455)]