1551130975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 2038932000

約数和(自身を除く): 487801025

約数列:

[1, 5, 25, 29, 83, 145, 149, 173, 415, 725, 745, 865, 2075, 2407, 3725, 4321, 4325, 5017, 12035, 12367, 14359, 21605, 25085, 25777, 60175, 61835, 71795, 108025, 125425, 128885, 309175, 358643, 358975, 416411, 644425, 747533, 1793215, 2082055, 2139491, 3737665, 8966075, 10410275, 10697455, 18688325, 53487275, 62045239, 310226195, 1551130975]

約数ペア:

[(1, 1551130975), (5, 310226195), (25, 62045239), (29, 53487275), (83, 18688325), (145, 10697455), (149, 10410275), (173, 8966075), (415, 3737665), (725, 2139491), (745, 2082055), (865, 1793215), (2075, 747533), (2407, 644425), (3725, 416411), (4321, 358975), (4325, 358643), (5017, 309175), (12035, 128885), (12367, 125425), (14359, 108025), (21605, 71795), (25085, 61835), (25777, 60175)]