81031692

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19687}}^1$

素因数の和:19715

約数の個数: 48

約数和(自身を含む): 220505600

約数和(自身を除く): 139473908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19687, 39374, 59061, 78748, 118122, 137809, 236244, 275618, 413427, 551236, 826854, 964663, 1653708, 1929326, 2893989, 3858652, 5787978, 6752641, 11575956, 13505282, 20257923, 27010564, 40515846, 81031692]

約数ペア:

[(1, 81031692), (2, 40515846), (3, 27010564), (4, 20257923), (6, 13505282), (7, 11575956), (12, 6752641), (14, 5787978), (21, 3858652), (28, 2893989), (42, 1929326), (49, 1653708), (84, 964663), (98, 826854), (147, 551236), (196, 413427), (294, 275618), (343, 236244), (588, 137809), (686, 118122), (1029, 78748), (1372, 59061), (2058, 39374), (4116, 19687)]