81963812

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 172488960

約数和(自身を除く): 90525148

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 137, 161, 274, 322, 548, 644, 929, 959, 1858, 1918, 3151, 3716, 3836, 6302, 6503, 12604, 13006, 21367, 22057, 26012, 42734, 44114, 85468, 88228, 127273, 149569, 254546, 299138, 509092, 598276, 890911, 1781822, 2927279, 3563644, 5854558, 11709116, 20490953, 40981906, 81963812]

約数ペア:

[(1, 81963812), (2, 40981906), (4, 20490953), (7, 11709116), (14, 5854558), (23, 3563644), (28, 2927279), (46, 1781822), (92, 890911), (137, 598276), (161, 509092), (274, 299138), (322, 254546), (548, 149569), (644, 127273), (929, 88228), (959, 85468), (1858, 44114), (1918, 42734), (3151, 26012), (3716, 22057), (3836, 21367), (6302, 13006), (6503, 12604)]