977771405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{8761}}^1$

素因数の和:8897

約数の個数: 32

約数和(自身を含む): 1351310688

約数和(自身を除く): 373539283

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 505, 1105, 1313, 1717, 6565, 8585, 8761, 22321, 43805, 111605, 113893, 148937, 569465, 744685, 884861, 1936181, 4424305, 9680905, 11503193, 15042637, 57515965, 75213185, 195554281, 977771405]

約数ペア:

[(1, 977771405), (5, 195554281), (13, 75213185), (17, 57515965), (65, 15042637), (85, 11503193), (101, 9680905), (221, 4424305), (505, 1936181), (1105, 884861), (1313, 744685), (1717, 569465), (6565, 148937), (8585, 113893), (8761, 111605), (22321, 43805)]