81066972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137869}}^1$

素因数の和:137890

約数の個数: 36

約数和(自身を含む): 220040520

約数和(自身を除く): 138973548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 137869, 275738, 413607, 551476, 827214, 965083, 1654428, 1930166, 2895249, 3860332, 5790498, 6755581, 11580996, 13511162, 20266743, 27022324, 40533486, 81066972]

約数ペア:

[(1, 81066972), (2, 40533486), (3, 27022324), (4, 20266743), (6, 13511162), (7, 11580996), (12, 6755581), (14, 5790498), (21, 3860332), (28, 2895249), (42, 1930166), (49, 1654428), (84, 965083), (98, 827214), (147, 551476), (196, 413607), (294, 275738), (588, 137869)]