81436488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1279}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 233472000

約数和(自身を除く): 152035512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 379, 758, 1137, 1279, 1516, 2274, 2558, 2653, 3032, 3837, 4548, 5116, 5306, 7674, 7959, 8953, 9096, 10232, 10612, 15348, 15918, 17906, 21224, 26859, 30696, 31836, 35812, 53718, 63672, 71624, 107436, 214872, 484741, 969482, 1454223, 1938964, 2908446, 3393187, 3877928, 5816892, 6786374, 10179561, 11633784, 13572748, 20359122, 27145496, 40718244, 81436488]

約数ペア:

[(1, 81436488), (2, 40718244), (3, 27145496), (4, 20359122), (6, 13572748), (7, 11633784), (8, 10179561), (12, 6786374), (14, 5816892), (21, 3877928), (24, 3393187), (28, 2908446), (42, 1938964), (56, 1454223), (84, 969482), (168, 484741), (379, 214872), (758, 107436), (1137, 71624), (1279, 63672), (1516, 53718), (2274, 35812), (2558, 31836), (2653, 30696), (3032, 26859), (3837, 21224), (4548, 17906), (5116, 15918), (5306, 15348), (7674, 10612), (7959, 10232), (8953, 9096)]