61521784

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 118389600

約数和(自身を除く): 56867816

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 568, 712, 1217, 2434, 4868, 6319, 9736, 12638, 25276, 50552, 86407, 108313, 172814, 216626, 345628, 433252, 691256, 866504, 7690223, 15380446, 30760892, 61521784]

約数ペア:

[(1, 61521784), (2, 30760892), (4, 15380446), (8, 7690223), (71, 866504), (89, 691256), (142, 433252), (178, 345628), (284, 216626), (356, 172814), (568, 108313), (712, 86407), (1217, 50552), (2434, 25276), (4868, 12638), (6319, 9736)]