664278328

素因数分解:

$2^3\times 7^1\times {\mathrm{2371}}^1\times {\mathrm{5003}}^1$

素因数の和:7387

約数の個数: 32

約数和(自身を含む): 1424338560

約数和(自身を除く): 760060232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2371, 4742, 5003, 9484, 10006, 16597, 18968, 20012, 33194, 35021, 40024, 66388, 70042, 132776, 140084, 280168, 11862113, 23724226, 47448452, 83034791, 94896904, 166069582, 332139164, 664278328]

約数ペア:

[(1, 664278328), (2, 332139164), (4, 166069582), (7, 94896904), (8, 83034791), (14, 47448452), (28, 23724226), (56, 11862113), (2371, 280168), (4742, 140084), (5003, 132776), (9484, 70042), (10006, 66388), (16597, 40024), (18968, 35021), (20012, 33194)]