47987821

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 61585920

約数和(自身を除く): 13598099

約数列:

[1, 7, 17, 23, 89, 119, 161, 197, 391, 623, 1379, 1513, 2047, 2737, 3349, 4531, 10591, 14329, 17533, 23443, 31717, 34799, 77027, 122731, 243593, 298061, 403259, 539189, 2086427, 2822813, 6855403, 47987821]

約数ペア:

[(1, 47987821), (7, 6855403), (17, 2822813), (23, 2086427), (89, 539189), (119, 403259), (161, 298061), (197, 243593), (391, 122731), (623, 77027), (1379, 34799), (1513, 31717), (2047, 23443), (2737, 17533), (3349, 14329), (4531, 10591)]