15553865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 19598976

約数和(自身を除く): 4045111

約数列:

[1, 5, 23, 115, 211, 641, 1055, 3205, 4853, 14743, 24265, 73715, 135251, 676255, 3110773, 15553865]

約数ペア:

[(1, 15553865), (5, 3110773), (23, 676255), (115, 135251), (211, 73715), (641, 24265), (1055, 14743), (3205, 4853)]