813804538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{290023}}^1$

素因数の和:290109

約数の個数: 16

約数和(自身を含む): 1294667136

約数和(自身を除く): 480862598

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 290023, 580046, 6670529, 13341058, 17691403, 35382806, 406902269, 813804538]

約数ペア:

[(1, 813804538), (2, 406902269), (23, 35382806), (46, 17691403), (61, 13341058), (122, 6670529), (1403, 580046), (2806, 290023)]