25689788

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 48584592

約数和(自身を除く): 22894804

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 289, 313, 578, 626, 1156, 1207, 1252, 2414, 4828, 5321, 10642, 20519, 21284, 22223, 41038, 44446, 82076, 88892, 90457, 180914, 361828, 377791, 755582, 1511164, 6422447, 12844894, 25689788]

約数ペア:

[(1, 25689788), (2, 12844894), (4, 6422447), (17, 1511164), (34, 755582), (68, 377791), (71, 361828), (142, 180914), (284, 90457), (289, 88892), (313, 82076), (578, 44446), (626, 41038), (1156, 22223), (1207, 21284), (1252, 20519), (2414, 10642), (4828, 5321)]