81489506

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2609}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 147329280

約数和(自身を除く): 65839774

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 679, 1358, 2231, 2609, 4462, 5218, 15617, 18263, 31234, 36526, 60007, 120014, 253073, 420049, 506146, 840098, 1771511, 3543022, 5820679, 11641358, 40744753, 81489506]

約数ペア:

[(1, 81489506), (2, 40744753), (7, 11641358), (14, 5820679), (23, 3543022), (46, 1771511), (97, 840098), (161, 506146), (194, 420049), (322, 253073), (679, 120014), (1358, 60007), (2231, 36526), (2609, 31234), (4462, 18263), (5218, 15617)]