81688201

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2447}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 98703360

約数和(自身を除く): 17015159

約数列:

[1, 7, 19, 133, 251, 1757, 2447, 4769, 17129, 33383, 46493, 325451, 614197, 4299379, 11669743, 81688201]

約数ペア:

[(1, 81688201), (7, 11669743), (19, 4299379), (133, 614197), (251, 325451), (1757, 46493), (2447, 33383), (4769, 17129)]