13561145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 18772992

約数和(自身を除く): 5211847

約数列:

[1, 5, 13, 23, 47, 65, 115, 193, 235, 299, 611, 965, 1081, 1495, 2509, 3055, 4439, 5405, 9071, 12545, 14053, 22195, 45355, 57707, 70265, 117923, 208633, 288535, 589615, 1043165, 2712229, 13561145]

約数ペア:

[(1, 13561145), (5, 2712229), (13, 1043165), (23, 589615), (47, 288535), (65, 208633), (115, 117923), (193, 70265), (235, 57707), (299, 45355), (611, 22195), (965, 14053), (1081, 12545), (1495, 9071), (2509, 5405), (3055, 4439)]