204514905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 391200768

約数和(自身を除く): 186685863

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 83, 93, 105, 155, 217, 249, 415, 465, 581, 651, 757, 1085, 1245, 1743, 2271, 2573, 2905, 3255, 3785, 5299, 7719, 8715, 11355, 12865, 15897, 18011, 23467, 26495, 38595, 54033, 62831, 70401, 79485, 90055, 117335, 164269, 188493, 270165, 314155, 352005, 439817, 492807, 821345, 942465, 1319451, 1947761, 2199085, 2464035, 5843283, 6597255, 9738805, 13634327, 29216415, 40902981, 68171635, 204514905]

約数ペア:

[(1, 204514905), (3, 68171635), (5, 40902981), (7, 29216415), (15, 13634327), (21, 9738805), (31, 6597255), (35, 5843283), (83, 2464035), (93, 2199085), (105, 1947761), (155, 1319451), (217, 942465), (249, 821345), (415, 492807), (465, 439817), (581, 352005), (651, 314155), (757, 270165), (1085, 188493), (1245, 164269), (1743, 117335), (2271, 90055), (2573, 79485), (2905, 70401), (3255, 62831), (3785, 54033), (5299, 38595), (7719, 26495), (8715, 23467), (11355, 18011), (12865, 15897)]