38639944

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2749}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 83160000

約数和(自身を除く): 44520056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 2749, 3514, 5498, 7028, 10996, 14056, 19243, 21992, 38486, 76972, 153944, 689999, 1379998, 2759996, 4829993, 5519992, 9659986, 19319972, 38639944]

約数ペア:

[(1, 38639944), (2, 19319972), (4, 9659986), (7, 5519992), (8, 4829993), (14, 2759996), (28, 1379998), (56, 689999), (251, 153944), (502, 76972), (1004, 38486), (1757, 21992), (2008, 19243), (2749, 14056), (3514, 10996), (5498, 7028)]