397441432

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{4603}}^1$

素因数の和:4903

約数の個数: 32

約数和(自身を含む): 765737280

約数和(自身を除く): 368295848

約数列:

[1, 2, 4, 8, 43, 86, 172, 251, 344, 502, 1004, 2008, 4603, 9206, 10793, 18412, 21586, 36824, 43172, 86344, 197929, 395858, 791716, 1155353, 1583432, 2310706, 4621412, 9242824, 49680179, 99360358, 198720716, 397441432]

約数ペア:

[(1, 397441432), (2, 198720716), (4, 99360358), (8, 49680179), (43, 9242824), (86, 4621412), (172, 2310706), (251, 1583432), (344, 1155353), (502, 791716), (1004, 395858), (2008, 197929), (4603, 86344), (9206, 43172), (10793, 36824), (18412, 21586)]