81193105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 123782400

約数和(自身を除く): 42589295

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 289, 349, 391, 595, 805, 1445, 1745, 1955, 2023, 2443, 2737, 5933, 6647, 8027, 10115, 12215, 13685, 29665, 33235, 40135, 41531, 46529, 56189, 100861, 136459, 207655, 232645, 280945, 504305, 682295, 706027, 955213, 2319803, 3530135, 4776065, 11599015, 16238621, 81193105]

約数ペア:

[(1, 81193105), (5, 16238621), (7, 11599015), (17, 4776065), (23, 3530135), (35, 2319803), (85, 955213), (115, 706027), (119, 682295), (161, 504305), (289, 280945), (349, 232645), (391, 207655), (595, 136459), (805, 100861), (1445, 56189), (1745, 46529), (1955, 41531), (2023, 40135), (2443, 33235), (2737, 29665), (5933, 13685), (6647, 12215), (8027, 10115)]