51311045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 68290560

約数和(自身を除く): 16979515

約数列:

[1, 5, 23, 31, 37, 115, 155, 185, 389, 713, 851, 1147, 1945, 3565, 4255, 5735, 8947, 12059, 14393, 26381, 44735, 60295, 71965, 131905, 277357, 331039, 446183, 1386785, 1655195, 2230915, 10262209, 51311045]

約数ペア:

[(1, 51311045), (5, 10262209), (23, 2230915), (31, 1655195), (37, 1386785), (115, 446183), (155, 331039), (185, 277357), (389, 131905), (713, 71965), (851, 60295), (1147, 44735), (1945, 26381), (3565, 14393), (4255, 12059), (5735, 8947)]