28686790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1039}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 27922490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1039, 1255, 2078, 2510, 2761, 5195, 5522, 10390, 11429, 13805, 22858, 27610, 57145, 114290, 260789, 521578, 1303945, 2607890, 2868679, 5737358, 14343395, 28686790]

約数ペア:

[(1, 28686790), (2, 14343395), (5, 5737358), (10, 2868679), (11, 2607890), (22, 1303945), (55, 521578), (110, 260789), (251, 114290), (502, 57145), (1039, 27610), (1255, 22858), (2078, 13805), (2510, 11429), (2761, 10390), (5195, 5522)]