642396

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 1645056

約数和(自身を除く): 1002660

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 47, 51, 67, 68, 94, 102, 134, 141, 188, 201, 204, 268, 282, 402, 564, 799, 804, 1139, 1598, 2278, 2397, 3149, 3196, 3417, 4556, 4794, 6298, 6834, 9447, 9588, 12596, 13668, 18894, 37788, 53533, 107066, 160599, 214132, 321198, 642396]

約数ペア:

[(1, 642396), (2, 321198), (3, 214132), (4, 160599), (6, 107066), (12, 53533), (17, 37788), (34, 18894), (47, 13668), (51, 12596), (67, 9588), (68, 9447), (94, 6834), (102, 6298), (134, 4794), (141, 4556), (188, 3417), (201, 3196), (204, 3149), (268, 2397), (282, 2278), (402, 1598), (564, 1139), (799, 804)]