266585215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 351017856

約数和(自身を除く): 84432641

約数列:

[1, 5, 13, 65, 151, 157, 173, 755, 785, 865, 1963, 2041, 2249, 9815, 10205, 11245, 23707, 26123, 27161, 118535, 130615, 135805, 308191, 339599, 353093, 1540955, 1697995, 1765465, 4101311, 20506555, 53317043, 266585215]

約数ペア:

[(1, 266585215), (5, 53317043), (13, 20506555), (65, 4101311), (151, 1765465), (157, 1697995), (173, 1540955), (755, 353093), (785, 339599), (865, 308191), (1963, 135805), (2041, 130615), (2249, 118535), (9815, 27161), (10205, 26123), (11245, 23707)]