28669355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 40920768

約数和(自身を除く): 12251413

約数列:

[1, 5, 11, 13, 55, 65, 101, 143, 397, 505, 715, 1111, 1313, 1985, 4367, 5161, 5555, 6565, 14443, 21835, 25805, 40097, 56771, 72215, 200485, 283855, 441067, 521261, 2205335, 2606305, 5733871, 28669355]

約数ペア:

[(1, 28669355), (5, 5733871), (11, 2606305), (13, 2205335), (55, 521261), (65, 441067), (101, 283855), (143, 200485), (397, 72215), (505, 56771), (715, 40097), (1111, 25805), (1313, 21835), (1985, 14443), (4367, 6565), (5161, 5555)]