818372218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 1374912000

約数和(自身を除く): 556539782

約数列:

[1, 2, 19, 38, 41, 61, 79, 82, 109, 122, 158, 218, 779, 1159, 1501, 1558, 2071, 2318, 2501, 3002, 3239, 4142, 4469, 4819, 5002, 6478, 6649, 8611, 8938, 9638, 13298, 17222, 47519, 61541, 84911, 91561, 95038, 123082, 126331, 163609, 169822, 183122, 197579, 252662, 272609, 327218, 353051, 395158, 525271, 545218, 706102, 1050542, 3754001, 5179571, 6707969, 7508002, 9980149, 10359142, 13415938, 19960298, 21536111, 43072222, 409186109, 818372218]

約数ペア:

[(1, 818372218), (2, 409186109), (19, 43072222), (38, 21536111), (41, 19960298), (61, 13415938), (79, 10359142), (82, 9980149), (109, 7508002), (122, 6707969), (158, 5179571), (218, 3754001), (779, 1050542), (1159, 706102), (1501, 545218), (1558, 525271), (2071, 395158), (2318, 353051), (2501, 327218), (3002, 272609), (3239, 252662), (4142, 197579), (4469, 183122), (4819, 169822), (5002, 163609), (6478, 126331), (6649, 123082), (8611, 95038), (8938, 91561), (9638, 84911), (13298, 61541), (17222, 47519)]