86497775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 133366464

約数和(自身を除く): 46868689

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 193, 197, 325, 455, 965, 985, 1351, 1379, 2275, 2509, 2561, 4825, 4925, 6755, 6895, 12545, 12805, 17563, 17927, 33775, 34475, 38021, 62725, 64025, 87815, 89635, 190105, 266147, 439075, 448175, 494273, 950525, 1330735, 2471365, 3459911, 6653675, 12356825, 17299555, 86497775]

約数ペア:

[(1, 86497775), (5, 17299555), (7, 12356825), (13, 6653675), (25, 3459911), (35, 2471365), (65, 1330735), (91, 950525), (175, 494273), (193, 448175), (197, 439075), (325, 266147), (455, 190105), (965, 89635), (985, 87815), (1351, 64025), (1379, 62725), (2275, 38021), (2509, 34475), (2561, 33775), (4825, 17927), (4925, 17563), (6755, 12805), (6895, 12545)]