258719955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 465174528

約数和(自身を除く): 206454573

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 127, 155, 195, 337, 381, 403, 465, 635, 1011, 1209, 1651, 1685, 1905, 2015, 3937, 4381, 4953, 5055, 6045, 8255, 10447, 11811, 13143, 19685, 21905, 24765, 31341, 42799, 51181, 52235, 59055, 65715, 128397, 135811, 153543, 156705, 213995, 255905, 407433, 556387, 641985, 679055, 767715, 1326769, 1669161, 2037165, 2781935, 3980307, 6633845, 8345805, 17247997, 19901535, 51743991, 86239985, 258719955]

約数ペア:

[(1, 258719955), (3, 86239985), (5, 51743991), (13, 19901535), (15, 17247997), (31, 8345805), (39, 6633845), (65, 3980307), (93, 2781935), (127, 2037165), (155, 1669161), (195, 1326769), (337, 767715), (381, 679055), (403, 641985), (465, 556387), (635, 407433), (1011, 255905), (1209, 213995), (1651, 156705), (1685, 153543), (1905, 135811), (2015, 128397), (3937, 65715), (4381, 59055), (4953, 52235), (5055, 51181), (6045, 42799), (8255, 31341), (10447, 24765), (11811, 21905), (13143, 19685)]