28952735

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 12187489

約数列:

[1, 5, 7, 35, 61, 71, 191, 305, 355, 427, 497, 955, 1337, 2135, 2485, 4331, 6685, 11651, 13561, 21655, 30317, 58255, 67805, 81557, 94927, 151585, 407785, 474635, 827221, 4136105, 5790547, 28952735]

約数ペア:

[(1, 28952735), (5, 5790547), (7, 4136105), (35, 827221), (61, 474635), (71, 407785), (191, 151585), (305, 94927), (355, 81557), (427, 67805), (497, 58255), (955, 30317), (1337, 21655), (2135, 13561), (2485, 11651), (4331, 6685)]