398823928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{1613}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 773170560

約数和(自身を除く): 374346632

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 997, 1613, 1994, 3226, 3988, 6452, 7976, 12904, 30907, 50003, 61814, 100006, 123628, 200012, 247256, 400024, 1608161, 3216322, 6432644, 12865288, 49852991, 99705982, 199411964, 398823928]

約数ペア:

[(1, 398823928), (2, 199411964), (4, 99705982), (8, 49852991), (31, 12865288), (62, 6432644), (124, 3216322), (248, 1608161), (997, 400024), (1613, 247256), (1994, 200012), (3226, 123628), (3988, 100006), (6452, 61814), (7976, 50003), (12904, 30907)]