266590142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47251}}^1$

素因数の和:47304

約数の個数: 32

約数和(自身を含む): 508053504

約数和(自身を除く): 241463362

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 47251, 94502, 330757, 614263, 661514, 1228526, 1464781, 2929562, 4299841, 8599682, 10253467, 19042153, 20506934, 38084306, 133295071, 266590142]

約数ペア:

[(1, 266590142), (2, 133295071), (7, 38084306), (13, 20506934), (14, 19042153), (26, 10253467), (31, 8599682), (62, 4299841), (91, 2929562), (182, 1464781), (217, 1228526), (403, 661514), (434, 614263), (806, 330757), (2821, 94502), (5642, 47251)]