68512556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 145958400

約数和(自身を除く): 77445844

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 623, 1246, 1447, 1691, 2492, 2894, 3382, 5788, 6764, 10129, 11837, 20258, 23674, 27493, 40516, 47348, 54986, 109972, 128783, 192451, 257566, 384902, 515132, 769804, 901481, 1802962, 2446877, 3605924, 4893754, 9787508, 17128139, 34256278, 68512556]

約数ペア:

[(1, 68512556), (2, 34256278), (4, 17128139), (7, 9787508), (14, 4893754), (19, 3605924), (28, 2446877), (38, 1802962), (76, 901481), (89, 769804), (133, 515132), (178, 384902), (266, 257566), (356, 192451), (532, 128783), (623, 109972), (1246, 54986), (1447, 47348), (1691, 40516), (2492, 27493), (2894, 23674), (3382, 20258), (5788, 11837), (6764, 10129)]