670391281

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{68261}}^1$

素因数の和:68352

約数の個数: 16

約数和(自身を含む): 812590848

約数和(自身を除く): 142199567

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 68261, 477827, 1570003, 4163921, 10990021, 29147447, 95770183, 670391281]

約数ペア:

[(1, 670391281), (7, 95770183), (23, 29147447), (61, 10990021), (161, 4163921), (427, 1570003), (1403, 477827), (9821, 68261)]