28137395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 15408205

約数列:

[1, 5, 11, 13, 23, 29, 55, 59, 65, 115, 143, 145, 253, 295, 299, 319, 377, 649, 667, 715, 767, 1265, 1357, 1495, 1595, 1711, 1885, 3245, 3289, 3335, 3835, 4147, 6785, 7337, 8437, 8555, 8671, 14927, 16445, 17641, 18821, 20735, 22243, 36685, 39353, 42185, 43355, 74635, 88205, 94105, 95381, 111215, 194051, 196765, 244673, 432883, 476905, 511589, 970255, 1223365, 2164415, 2557945, 5627479, 28137395]

約数ペア:

[(1, 28137395), (5, 5627479), (11, 2557945), (13, 2164415), (23, 1223365), (29, 970255), (55, 511589), (59, 476905), (65, 432883), (115, 244673), (143, 196765), (145, 194051), (253, 111215), (295, 95381), (299, 94105), (319, 88205), (377, 74635), (649, 43355), (667, 42185), (715, 39353), (767, 36685), (1265, 22243), (1357, 20735), (1495, 18821), (1595, 17641), (1711, 16445), (1885, 14927), (3245, 8671), (3289, 8555), (3335, 8437), (3835, 7337), (4147, 6785)]