289167845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2797}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 386795520

約数和(自身を除く): 97627675

約数列:

[1, 5, 23, 29, 31, 115, 145, 155, 667, 713, 899, 2797, 3335, 3565, 4495, 13985, 20677, 64331, 81113, 86707, 103385, 321655, 405565, 433535, 1865599, 1994261, 2514503, 9327995, 9971305, 12572515, 57833569, 289167845]

約数ペア:

[(1, 289167845), (5, 57833569), (23, 12572515), (29, 9971305), (31, 9327995), (115, 2514503), (145, 1994261), (155, 1865599), (667, 433535), (713, 405565), (899, 321655), (2797, 103385), (3335, 86707), (3565, 81113), (4495, 64331), (13985, 20677)]