42518525

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 62445780

約数和(自身を除く): 19927255

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 569, 1225, 1525, 2135, 2845, 2989, 3983, 10675, 14225, 14945, 19915, 27881, 34709, 74725, 99575, 139405, 173545, 242963, 697025, 867725, 1214815, 1700741, 6074075, 8503705, 42518525]

約数ペア:

[(1, 42518525), (5, 8503705), (7, 6074075), (25, 1700741), (35, 1214815), (49, 867725), (61, 697025), (175, 242963), (245, 173545), (305, 139405), (427, 99575), (569, 74725), (1225, 34709), (1525, 27881), (2135, 19915), (2845, 14945), (2989, 14225), (3983, 10675)]