81875995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 107308800

約数和(自身を除く): 25432805

約数列:

[1, 5, 17, 79, 85, 89, 137, 395, 445, 685, 1343, 1513, 2329, 6715, 7031, 7565, 10823, 11645, 12193, 35155, 54115, 60965, 119527, 183991, 207281, 597635, 919955, 963247, 1036405, 4816235, 16375199, 81875995]

約数ペア:

[(1, 81875995), (5, 16375199), (17, 4816235), (79, 1036405), (85, 963247), (89, 919955), (137, 597635), (395, 207281), (445, 183991), (685, 119527), (1343, 60965), (1513, 54115), (2329, 35155), (6715, 12193), (7031, 11645), (7565, 10823)]