678453404

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{811}}^1\times {\mathrm{5101}}^1$

素因数の和:5957

約数の個数: 24

約数和(自身を含む): 1217990256

約数和(自身を除く): 539536852

約数列:

[1, 2, 4, 41, 82, 164, 811, 1622, 3244, 5101, 10202, 20404, 33251, 66502, 133004, 209141, 418282, 836564, 4136911, 8273822, 16547644, 169613351, 339226702, 678453404]

約数ペア:

[(1, 678453404), (2, 339226702), (4, 169613351), (41, 16547644), (82, 8273822), (164, 4136911), (811, 836564), (1622, 418282), (3244, 209141), (5101, 133004), (10202, 66502), (20404, 33251)]