1396665215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{98809}}^1$

素因数の和:99082

約数の個数: 16

約数和(自身を含む): 1835494560

約数和(自身を除く): 438829345

約数列:

[1, 5, 11, 55, 257, 1285, 2827, 14135, 98809, 494045, 1086899, 5434495, 25393913, 126969565, 279333043, 1396665215]

約数ペア:

[(1, 1396665215), (5, 279333043), (11, 126969565), (55, 25393913), (257, 5434495), (1285, 1086899), (2827, 494045), (14135, 98809)]