278987244

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 660253440

約数和(自身を除く): 381266196

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 263, 327, 436, 526, 654, 789, 811, 1052, 1308, 1578, 1622, 2433, 3156, 3244, 4866, 9732, 28667, 57334, 86001, 88399, 114668, 172002, 176798, 213293, 265197, 344004, 353596, 426586, 530394, 639879, 853172, 1060788, 1279758, 2559516, 23248937, 46497874, 69746811, 92995748, 139493622, 278987244]

約数ペア:

[(1, 278987244), (2, 139493622), (3, 92995748), (4, 69746811), (6, 46497874), (12, 23248937), (109, 2559516), (218, 1279758), (263, 1060788), (327, 853172), (436, 639879), (526, 530394), (654, 426586), (789, 353596), (811, 344004), (1052, 265197), (1308, 213293), (1578, 176798), (1622, 172002), (2433, 114668), (3156, 88399), (3244, 86001), (4866, 57334), (9732, 28667)]