394003988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{8923}}^1$

素因数の和:9036

約数の個数: 48

約数和(自身を含む): 839569920

約数和(自身を除く): 445565932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 532, 581, 1162, 1577, 2324, 3154, 6308, 8923, 11039, 17846, 22078, 35692, 44156, 62461, 124922, 169537, 249844, 339074, 678148, 740609, 1186759, 1481218, 2373518, 2962436, 4747036, 5184263, 10368526, 14071571, 20737052, 28143142, 56286284, 98500997, 197001994, 394003988]

約数ペア:

[(1, 394003988), (2, 197001994), (4, 98500997), (7, 56286284), (14, 28143142), (19, 20737052), (28, 14071571), (38, 10368526), (76, 5184263), (83, 4747036), (133, 2962436), (166, 2373518), (266, 1481218), (332, 1186759), (532, 740609), (581, 678148), (1162, 339074), (1577, 249844), (2324, 169537), (3154, 124922), (6308, 62461), (8923, 44156), (11039, 35692), (17846, 22078)]