398888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 907200

約数和(自身を除く): 508312

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 419, 476, 838, 952, 1676, 2933, 3352, 5866, 7123, 11732, 14246, 23464, 28492, 49861, 56984, 99722, 199444, 398888]

約数ペア:

[(1, 398888), (2, 199444), (4, 99722), (7, 56984), (8, 49861), (14, 28492), (17, 23464), (28, 14246), (34, 11732), (56, 7123), (68, 5866), (119, 3352), (136, 2933), (238, 1676), (419, 952), (476, 838)]