1311836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 2481360

約数和(自身を除く): 1169524

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 421, 779, 842, 1558, 1684, 3116, 7999, 15998, 17261, 31996, 34522, 69044, 327959, 655918, 1311836]

約数ペア:

[(1, 1311836), (2, 655918), (4, 327959), (19, 69044), (38, 34522), (41, 31996), (76, 17261), (82, 15998), (164, 7999), (421, 3116), (779, 1684), (842, 1558)]