399939029

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 498432000

約数和(自身を除く): 98492971

約数列:

[1, 7, 29, 31, 49, 203, 217, 343, 899, 1297, 1421, 1519, 6293, 9079, 9947, 10633, 37613, 40207, 44051, 63553, 263291, 281449, 308357, 444871, 1166003, 1843037, 1970143, 8162021, 12901259, 13791001, 57134147, 399939029]

約数ペア:

[(1, 399939029), (7, 57134147), (29, 13791001), (31, 12901259), (49, 8162021), (203, 1970143), (217, 1843037), (343, 1166003), (899, 444871), (1297, 308357), (1421, 281449), (1519, 263291), (6293, 63553), (9079, 44051), (9947, 40207), (10633, 37613)]