81406164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10889}}^1$

素因数の和:10992

約数の個数: 48

約数和(自身を含む): 219542400

約数和(自身を除く): 138136236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 10889, 21778, 32667, 43556, 65334, 76223, 130668, 152446, 228669, 304892, 457338, 914676, 969121, 1938242, 2907363, 3876484, 5814726, 6783847, 11629452, 13567694, 20351541, 27135388, 40703082, 81406164]

約数ペア:

[(1, 81406164), (2, 40703082), (3, 27135388), (4, 20351541), (6, 13567694), (7, 11629452), (12, 6783847), (14, 5814726), (21, 3876484), (28, 2907363), (42, 1938242), (84, 969121), (89, 914676), (178, 457338), (267, 304892), (356, 228669), (534, 152446), (623, 130668), (1068, 76223), (1246, 65334), (1869, 43556), (2492, 32667), (3738, 21778), (7476, 10889)]