71988665

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 104349696

約数和(自身を除く): 32361031

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 1085, 1333, 1505, 1543, 6665, 7715, 9331, 10801, 46655, 47833, 54005, 66349, 239165, 331745, 334831, 464443, 1674155, 2056819, 2322215, 10284095, 14397733, 71988665]

約数ペア:

[(1, 71988665), (5, 14397733), (7, 10284095), (31, 2322215), (35, 2056819), (43, 1674155), (155, 464443), (215, 334831), (217, 331745), (301, 239165), (1085, 66349), (1333, 54005), (1505, 47833), (1543, 46655), (6665, 10801), (7715, 9331)]