28520752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137119}}^1$

素因数の和:137140

約数の個数: 20

約数和(自身を含む): 59510080

約数和(自身を除く): 30989328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137119, 274238, 548476, 1096952, 1782547, 2193904, 3565094, 7130188, 14260376, 28520752]

約数ペア:

[(1, 28520752), (2, 14260376), (4, 7130188), (8, 3565094), (13, 2193904), (16, 1782547), (26, 1096952), (52, 548476), (104, 274238), (208, 137119)]