81746276

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{3943}}^1$

素因数の和:4091

約数の個数: 24

約数和(自身を含む): 147095424

約数和(自身を除く): 65349148

約数列:

[1, 2, 4, 71, 73, 142, 146, 284, 292, 3943, 5183, 7886, 10366, 15772, 20732, 279953, 287839, 559906, 575678, 1119812, 1151356, 20436569, 40873138, 81746276]

約数ペア:

[(1, 81746276), (2, 40873138), (4, 20436569), (71, 1151356), (73, 1119812), (142, 575678), (146, 559906), (284, 287839), (292, 279953), (3943, 20732), (5183, 15772), (7886, 10366)]