28936012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 61600000

約数和(自身を除く): 32663988

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 499, 532, 763, 998, 1526, 1996, 2071, 3052, 3493, 4142, 6986, 8284, 9481, 13972, 14497, 18962, 28994, 37924, 54391, 57988, 66367, 108782, 132734, 217564, 265468, 380737, 761474, 1033429, 1522948, 2066858, 4133716, 7234003, 14468006, 28936012]

約数ペア:

[(1, 28936012), (2, 14468006), (4, 7234003), (7, 4133716), (14, 2066858), (19, 1522948), (28, 1033429), (38, 761474), (76, 380737), (109, 265468), (133, 217564), (218, 132734), (266, 108782), (436, 66367), (499, 57988), (532, 54391), (763, 37924), (998, 28994), (1526, 18962), (1996, 14497), (2071, 13972), (3052, 9481), (3493, 8284), (4142, 6986)]