390398398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 645815520

約数和(自身を除く): 255417122

約数列:

[1, 2, 13, 26, 59, 118, 157, 314, 767, 1534, 1621, 2041, 3242, 4082, 9263, 18526, 21073, 42146, 95639, 120419, 191278, 240838, 254497, 508994, 1243307, 2486614, 3308461, 6616922, 15015323, 30030646, 195199199, 390398398]

約数ペア:

[(1, 390398398), (2, 195199199), (13, 30030646), (26, 15015323), (59, 6616922), (118, 3308461), (157, 2486614), (314, 1243307), (767, 508994), (1534, 254497), (1621, 240838), (2041, 191278), (3242, 120419), (4082, 95639), (9263, 42146), (18526, 21073)]