66991856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{144379}}^1$

素因数の和:144416

約数の個数: 20

約数和(自身を含む): 134273400

約数和(自身を除く): 67281544

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 144379, 288758, 577516, 1155032, 2310064, 4186991, 8373982, 16747964, 33495928, 66991856]

約数ペア:

[(1, 66991856), (2, 33495928), (4, 16747964), (8, 8373982), (16, 4186991), (29, 2310064), (58, 1155032), (116, 577516), (232, 288758), (464, 144379)]