1389347386

素因数分解:

$2^1\times 7^1\times {\mathrm{10739}}^1\times {\mathrm{9241}}^1$

素因数の和:19989

約数の個数: 16

約数和(自身を含む): 2382217920

約数和(自身を除く): 992870534

約数列:

[1, 2, 7, 14, 9241, 10739, 18482, 21478, 64687, 75173, 129374, 150346, 99239099, 198478198, 694673693, 1389347386]

約数ペア:

[(1, 1389347386), (2, 694673693), (7, 198478198), (14, 99239099), (9241, 150346), (10739, 129374), (18482, 75173), (21478, 64687)]