890907978

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 1880945280

約数和(自身を除く): 990037302

約数列:

[1, 2, 3, 6, 37, 67, 74, 89, 111, 134, 178, 201, 222, 267, 402, 534, 673, 1346, 2019, 2479, 3293, 4038, 4958, 5963, 6586, 7437, 9879, 11926, 14874, 17889, 19758, 24901, 35778, 45091, 49802, 59897, 74703, 90182, 119794, 135273, 149406, 179691, 220631, 270546, 359382, 441262, 661893, 1323786, 1668367, 2216189, 3336734, 4013099, 4432378, 5005101, 6648567, 8026198, 10010202, 12039297, 13297134, 24078594, 148484663, 296969326, 445453989, 890907978]

約数ペア:

[(1, 890907978), (2, 445453989), (3, 296969326), (6, 148484663), (37, 24078594), (67, 13297134), (74, 12039297), (89, 10010202), (111, 8026198), (134, 6648567), (178, 5005101), (201, 4432378), (222, 4013099), (267, 3336734), (402, 2216189), (534, 1668367), (673, 1323786), (1346, 661893), (2019, 441262), (2479, 359382), (3293, 270546), (4038, 220631), (4958, 179691), (5963, 149406), (6586, 135273), (7437, 119794), (9879, 90182), (11926, 74703), (14874, 59897), (17889, 49802), (19758, 45091), (24901, 35778)]