647783838

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2083}}^1$

素因数の和:2550

約数の個数: 64

約数和(自身を含む): 1554497280

約数和(自身を除く): 906713442

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 443, 702, 886, 1329, 2083, 2658, 3987, 4166, 5759, 6249, 7974, 11518, 11961, 12498, 17277, 18747, 23922, 27079, 34554, 37494, 51831, 54158, 56241, 81237, 103662, 112482, 155493, 162474, 243711, 310986, 487422, 731133, 922769, 1462266, 1845538, 2768307, 5536614, 8304921, 11995997, 16609842, 23991994, 24914763, 35987991, 49829526, 71975982, 107963973, 215927946, 323891919, 647783838]

約数ペア:

[(1, 647783838), (2, 323891919), (3, 215927946), (6, 107963973), (9, 71975982), (13, 49829526), (18, 35987991), (26, 24914763), (27, 23991994), (39, 16609842), (54, 11995997), (78, 8304921), (117, 5536614), (234, 2768307), (351, 1845538), (443, 1462266), (702, 922769), (886, 731133), (1329, 487422), (2083, 310986), (2658, 243711), (3987, 162474), (4166, 155493), (5759, 112482), (6249, 103662), (7974, 81237), (11518, 56241), (11961, 54158), (12498, 51831), (17277, 37494), (18747, 34554), (23922, 27079)]