28268492725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1\times {\mathrm{863}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 38507249664

約数和(自身を除く): 10238756939

約数列:

[1, 5, 11, 25, 55, 275, 311, 383, 863, 1555, 1915, 3421, 4213, 4315, 7775, 9493, 9575, 17105, 21065, 21575, 47465, 85525, 105325, 119113, 237325, 268393, 330529, 595565, 1310243, 1341965, 1652645, 2952323, 2977825, 3635819, 6551215, 6709825, 8263225, 14761615, 18179095, 32756075, 73808075, 90895475, 102794519, 513972595, 1130739709, 2569862975, 5653698545, 28268492725]

約数ペア:

[(1, 28268492725), (5, 5653698545), (11, 2569862975), (25, 1130739709), (55, 513972595), (275, 102794519), (311, 90895475), (383, 73808075), (863, 32756075), (1555, 18179095), (1915, 14761615), (3421, 8263225), (4213, 6709825), (4315, 6551215), (7775, 3635819), (9493, 2977825), (9575, 2952323), (17105, 1652645), (21065, 1341965), (21575, 1310243), (47465, 595565), (85525, 330529), (105325, 268393), (119113, 237325)]