28243586

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 22628734

約数列:

[1, 2, 7, 14, 23, 46, 161, 239, 322, 367, 478, 734, 1673, 2569, 3346, 5138, 5497, 8441, 10994, 16882, 38479, 59087, 76958, 87713, 118174, 175426, 613991, 1227982, 2017399, 4034798, 14121793, 28243586]

約数ペア:

[(1, 28243586), (2, 14121793), (7, 4034798), (14, 2017399), (23, 1227982), (46, 613991), (161, 175426), (239, 118174), (322, 87713), (367, 76958), (478, 59087), (734, 38479), (1673, 16882), (2569, 10994), (3346, 8441), (5138, 5497)]