86918290

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 160904880

約数和(自身を除く): 73986590

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 1601, 3202, 5429, 8005, 10858, 16010, 27145, 54290, 97661, 142489, 195322, 284978, 488305, 712445, 976610, 1424890, 8691829, 17383658, 43459145, 86918290]

約数ペア:

[(1, 86918290), (2, 43459145), (5, 17383658), (10, 8691829), (61, 1424890), (89, 976610), (122, 712445), (178, 488305), (305, 284978), (445, 195322), (610, 142489), (890, 97661), (1601, 54290), (3202, 27145), (5429, 16010), (8005, 10858)]