28712226815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{105071}}^1$

素因数の和:105191

約数の個数: 32

約数和(自身を含む): 37281226752

約数和(自身を除く): 8568999937

約数列:

[1, 5, 31, 41, 43, 155, 205, 215, 1271, 1333, 1763, 6355, 6665, 8815, 54653, 105071, 273265, 525355, 3257201, 4307911, 4518053, 16286005, 21539555, 22590265, 133545241, 140059643, 185240173, 667726205, 700298215, 926200865, 5742445363, 28712226815]

約数ペア:

[(1, 28712226815), (5, 5742445363), (31, 926200865), (41, 700298215), (43, 667726205), (155, 185240173), (205, 140059643), (215, 133545241), (1271, 22590265), (1333, 21539555), (1763, 16286005), (6355, 4518053), (6665, 4307911), (8815, 3257201), (54653, 525355), (105071, 273265)]