348580390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{2707}}^1$

素因数の和:2956

約数の個数: 32

約数和(自身を含む): 639521280

約数和(自身を除く): 290940890

約数列:

[1, 2, 5, 10, 79, 158, 163, 326, 395, 790, 815, 1630, 2707, 5414, 12877, 13535, 25754, 27070, 64385, 128770, 213853, 427706, 441241, 882482, 1069265, 2138530, 2206205, 4412410, 34858039, 69716078, 174290195, 348580390]

約数ペア:

[(1, 348580390), (2, 174290195), (5, 69716078), (10, 34858039), (79, 4412410), (158, 2206205), (163, 2138530), (326, 1069265), (395, 882482), (790, 441241), (815, 427706), (1630, 213853), (2707, 128770), (5414, 64385), (12877, 27070), (13535, 25754)]