87780245

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 125452800

約数和(自身を除く): 37672555

約数列:

[1, 5, 7, 29, 35, 145, 197, 203, 439, 985, 1015, 1379, 2195, 3073, 5713, 6895, 12731, 15365, 28565, 39991, 63655, 86483, 89117, 199955, 432415, 445585, 605381, 2508007, 3026905, 12540035, 17556049, 87780245]

約数ペア:

[(1, 87780245), (5, 17556049), (7, 12540035), (29, 3026905), (35, 2508007), (145, 605381), (197, 445585), (203, 432415), (439, 199955), (985, 89117), (1015, 86483), (1379, 63655), (2195, 39991), (3073, 28565), (5713, 15365), (6895, 12731)]