128988454

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2803}}^1$

素因数の和:3004

約数の個数: 32

約数和(自身を含む): 234190080

約数和(自身を除く): 105201626

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 266, 346, 1211, 2422, 2803, 3287, 5606, 6574, 19621, 23009, 39242, 46018, 53257, 106514, 372799, 484919, 745598, 969838, 3394433, 6788866, 9213461, 18426922, 64494227, 128988454]

約数ペア:

[(1, 128988454), (2, 64494227), (7, 18426922), (14, 9213461), (19, 6788866), (38, 3394433), (133, 969838), (173, 745598), (266, 484919), (346, 372799), (1211, 106514), (2422, 53257), (2803, 46018), (3287, 39242), (5606, 23009), (6574, 19621)]