256738755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 509902848

約数和(自身を除く): 253164093

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 127, 195, 273, 381, 455, 635, 889, 1365, 1481, 1651, 1905, 2667, 4443, 4445, 4953, 7405, 8255, 10367, 11557, 13335, 19253, 22215, 24765, 31101, 34671, 51835, 57759, 57785, 96265, 134771, 155505, 173355, 188087, 288795, 404313, 564261, 673855, 940435, 1316609, 2021565, 2445131, 2821305, 3949827, 6583045, 7335393, 12225655, 17115917, 19749135, 36676965, 51347751, 85579585, 256738755]

約数ペア:

[(1, 256738755), (3, 85579585), (5, 51347751), (7, 36676965), (13, 19749135), (15, 17115917), (21, 12225655), (35, 7335393), (39, 6583045), (65, 3949827), (91, 2821305), (105, 2445131), (127, 2021565), (195, 1316609), (273, 940435), (381, 673855), (455, 564261), (635, 404313), (889, 288795), (1365, 188087), (1481, 173355), (1651, 155505), (1905, 134771), (2667, 96265), (4443, 57785), (4445, 57759), (4953, 51835), (7405, 34671), (8255, 31101), (10367, 24765), (11557, 22215), (13335, 19253)]