78418256

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7867}}^1$

素因数の和:7971

約数の個数: 40

約数和(自身を含む): 175613760

約数和(自身を除く): 97195504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 7867, 9968, 15734, 31468, 55069, 62936, 110138, 125872, 220276, 440552, 700163, 881104, 1400326, 2800652, 4901141, 5601304, 9802282, 11202608, 19604564, 39209128, 78418256]

約数ペア:

[(1, 78418256), (2, 39209128), (4, 19604564), (7, 11202608), (8, 9802282), (14, 5601304), (16, 4901141), (28, 2800652), (56, 1400326), (89, 881104), (112, 700163), (178, 440552), (356, 220276), (623, 125872), (712, 110138), (1246, 62936), (1424, 55069), (2492, 31468), (4984, 15734), (7867, 9968)]