28136590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 53623296

約数和(自身を除く): 25486706

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 1723, 3266, 3446, 8165, 8615, 16330, 17230, 39629, 79258, 122333, 198145, 244666, 396290, 611665, 1223330, 2813659, 5627318, 14068295, 28136590]

約数ペア:

[(1, 28136590), (2, 14068295), (5, 5627318), (10, 2813659), (23, 1223330), (46, 611665), (71, 396290), (115, 244666), (142, 198145), (230, 122333), (355, 79258), (710, 39629), (1633, 17230), (1723, 16330), (3266, 8615), (3446, 8165)]