640435322

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{8443}}^1$

素因数の和:8582

約数の個数: 32

約数和(自身を含む): 1072455552

約数和(自身を除く): 432020230

約数列:

[1, 2, 17, 23, 34, 46, 97, 194, 391, 782, 1649, 2231, 3298, 4462, 8443, 16886, 37927, 75854, 143531, 194189, 287062, 388378, 818971, 1637942, 3301213, 6602426, 13922507, 18836333, 27845014, 37672666, 320217661, 640435322]

約数ペア:

[(1, 640435322), (2, 320217661), (17, 37672666), (23, 27845014), (34, 18836333), (46, 13922507), (97, 6602426), (194, 3301213), (391, 1637942), (782, 818971), (1649, 388378), (2231, 287062), (3298, 194189), (4462, 143531), (8443, 75854), (16886, 37927)]