2189845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 3283200

約数和(自身を除く): 1093355

約数列:

[1, 5, 7, 19, 35, 37, 89, 95, 133, 185, 259, 445, 623, 665, 703, 1295, 1691, 3115, 3293, 3515, 4921, 8455, 11837, 16465, 23051, 24605, 59185, 62567, 115255, 312835, 437969, 2189845]

約数ペア:

[(1, 2189845), (5, 437969), (7, 312835), (19, 115255), (35, 62567), (37, 59185), (89, 24605), (95, 23051), (133, 16465), (185, 11837), (259, 8455), (445, 4921), (623, 3515), (665, 3293), (703, 3115), (1295, 1691)]