28613860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1151}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 37575452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1151, 1243, 2260, 2302, 2486, 4604, 4972, 5755, 6215, 11510, 12430, 12661, 23020, 24860, 25322, 50644, 63305, 126610, 130063, 253220, 260126, 520252, 650315, 1300630, 1430693, 2601260, 2861386, 5722772, 7153465, 14306930, 28613860]

約数ペア:

[(1, 28613860), (2, 14306930), (4, 7153465), (5, 5722772), (10, 2861386), (11, 2601260), (20, 1430693), (22, 1300630), (44, 650315), (55, 520252), (110, 260126), (113, 253220), (220, 130063), (226, 126610), (452, 63305), (565, 50644), (1130, 25322), (1151, 24860), (1243, 23020), (2260, 12661), (2302, 12430), (2486, 11510), (4604, 6215), (4972, 5755)]