128204871

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 189278208

約数和(自身を除く): 61073337

約数列:

[1, 3, 17, 31, 51, 83, 93, 249, 527, 977, 1411, 1581, 2573, 2931, 4233, 7719, 16609, 30287, 43741, 49827, 81091, 90861, 131223, 243273, 514879, 1378547, 1544637, 2513821, 4135641, 7541463, 42734957, 128204871]

約数ペア:

[(1, 128204871), (3, 42734957), (17, 7541463), (31, 4135641), (51, 2513821), (83, 1544637), (93, 1378547), (249, 514879), (527, 243273), (977, 131223), (1411, 90861), (1581, 81091), (2573, 49827), (2931, 43741), (4233, 30287), (7719, 16609)]