399256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 882000

約数和(自身を除く): 482744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 349, 572, 698, 1144, 1396, 2792, 3839, 4537, 7678, 9074, 15356, 18148, 30712, 36296, 49907, 99814, 199628, 399256]

約数ペア:

[(1, 399256), (2, 199628), (4, 99814), (8, 49907), (11, 36296), (13, 30712), (22, 18148), (26, 15356), (44, 9074), (52, 7678), (88, 4537), (104, 3839), (143, 2792), (286, 1396), (349, 1144), (572, 698)]