28666645

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 41425920

約数和(自身を除く): 12759275

約数列:

[1, 5, 7, 29, 35, 61, 145, 203, 305, 427, 463, 1015, 1769, 2135, 2315, 3241, 8845, 12383, 13427, 16205, 28243, 61915, 67135, 93989, 141215, 197701, 469945, 819047, 988505, 4095235, 5733329, 28666645]

約数ペア:

[(1, 28666645), (5, 5733329), (7, 4095235), (29, 988505), (35, 819047), (61, 469945), (145, 197701), (203, 141215), (305, 93989), (427, 67135), (463, 61915), (1015, 28243), (1769, 16205), (2135, 13427), (2315, 12383), (3241, 8845)]