821372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 1560384

約数和(自身を除く): 739012

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 257, 514, 799, 1028, 1598, 3196, 4369, 8738, 12079, 17476, 24158, 48316, 205343, 410686, 821372]

約数ペア:

[(1, 821372), (2, 410686), (4, 205343), (17, 48316), (34, 24158), (47, 17476), (68, 12079), (94, 8738), (188, 4369), (257, 3196), (514, 1598), (799, 1028)]