520199405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2053}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 724059648

約数和(自身を除く): 203860243

約数列:

[1, 5, 11, 17, 55, 85, 187, 271, 935, 1355, 2053, 2981, 4607, 10265, 14905, 22583, 23035, 34901, 50677, 112915, 174505, 253385, 383911, 556363, 1919555, 2781815, 6119993, 9458171, 30599965, 47290855, 104039881, 520199405]

約数ペア:

[(1, 520199405), (5, 104039881), (11, 47290855), (17, 30599965), (55, 9458171), (85, 6119993), (187, 2781815), (271, 1919555), (935, 556363), (1355, 383911), (2053, 253385), (2981, 174505), (4607, 112915), (10265, 50677), (14905, 34901), (22583, 23035)]