878021228

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{4441}}^1$

素因数の和:4782

約数の個数: 48

約数和(自身を含む): 1838774784

約数和(自身を除く): 960753556

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 307, 322, 614, 644, 1228, 2149, 4298, 4441, 7061, 8596, 8882, 14122, 17764, 28244, 31087, 49427, 62174, 98854, 102143, 124348, 197708, 204286, 408572, 715001, 1363387, 1430002, 2726774, 2860004, 5453548, 9543709, 19087418, 31357901, 38174836, 62715802, 125431604, 219505307, 439010614, 878021228]

約数ペア:

[(1, 878021228), (2, 439010614), (4, 219505307), (7, 125431604), (14, 62715802), (23, 38174836), (28, 31357901), (46, 19087418), (92, 9543709), (161, 5453548), (307, 2860004), (322, 2726774), (614, 1430002), (644, 1363387), (1228, 715001), (2149, 408572), (4298, 204286), (4441, 197708), (7061, 124348), (8596, 102143), (8882, 98854), (14122, 62174), (17764, 49427), (28244, 31087)]