31508735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 42550272

約数和(自身を除く): 11041537

約数列:

[1, 5, 17, 23, 71, 85, 115, 227, 355, 391, 1135, 1207, 1633, 1955, 3859, 5221, 6035, 8165, 16117, 19295, 26105, 27761, 80585, 88757, 138805, 273989, 370691, 443785, 1369945, 1853455, 6301747, 31508735]

約数ペア:

[(1, 31508735), (5, 6301747), (17, 1853455), (23, 1369945), (71, 443785), (85, 370691), (115, 273989), (227, 138805), (355, 88757), (391, 80585), (1135, 27761), (1207, 26105), (1633, 19295), (1955, 16117), (3859, 8165), (5221, 6035)]