4207385

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 6329736

約数和(自身を除く): 2122351

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 1321, 3185, 6605, 9247, 17173, 46235, 64729, 85865, 120211, 323645, 601055, 841477, 4207385]

約数ペア:

[(1, 4207385), (5, 841477), (7, 601055), (13, 323645), (35, 120211), (49, 85865), (65, 64729), (91, 46235), (245, 17173), (455, 9247), (637, 6605), (1321, 3185)]