397539227905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{207799}}^1$

素因数の和:208209

約数の個数: 32

約数和(自身を含む): 513841190400

約数和(自身を除く): 116301962495

約数列:

[1, 5, 17, 71, 85, 317, 355, 1207, 1585, 5389, 6035, 22507, 26945, 112535, 207799, 382619, 1038995, 1913095, 3532583, 14753729, 17662915, 65872283, 73768645, 250813393, 329361415, 1119828811, 1254066965, 4676932093, 5599144055, 23384660465, 79507845581, 397539227905]

約数ペア:

[(1, 397539227905), (5, 79507845581), (17, 23384660465), (71, 5599144055), (85, 4676932093), (317, 1254066965), (355, 1119828811), (1207, 329361415), (1585, 250813393), (5389, 73768645), (6035, 65872283), (22507, 17662915), (26945, 14753729), (112535, 3532583), (207799, 1913095), (382619, 1038995)]