28781386

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{877}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 44093160

約数和(自身を除く): 15311774

約数列:

[1, 2, 61, 122, 269, 538, 877, 1754, 16409, 32818, 53497, 106994, 235913, 471826, 14390693, 28781386]

約数ペア:

[(1, 28781386), (2, 14390693), (61, 471826), (122, 235913), (269, 106994), (538, 53497), (877, 32818), (1754, 16409)]