31306910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1832

約数の個数: 32

約数和(自身を含む): 59581440

約数和(自身を除く): 28274530

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1723, 1817, 3446, 3634, 8615, 9085, 17230, 18170, 39629, 79258, 136117, 198145, 272234, 396290, 680585, 1361170, 3130691, 6261382, 15653455, 31306910]

約数ペア:

[(1, 31306910), (2, 15653455), (5, 6261382), (10, 3130691), (23, 1361170), (46, 680585), (79, 396290), (115, 272234), (158, 198145), (230, 136117), (395, 79258), (790, 39629), (1723, 18170), (1817, 17230), (3446, 9085), (3634, 8615)]