71801575

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 91333440

約数和(自身を除く): 19531865

約数列:

[1, 5, 25, 61, 197, 239, 305, 985, 1195, 1525, 4925, 5975, 12017, 14579, 47083, 60085, 72895, 235415, 300425, 364475, 1177075, 2872063, 14360315, 71801575]

約数ペア:

[(1, 71801575), (5, 14360315), (25, 2872063), (61, 1177075), (197, 364475), (239, 300425), (305, 235415), (985, 72895), (1195, 60085), (1525, 47083), (4925, 14579), (5975, 12017)]