31881576

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{30893}}^1$

素因数の和:30945

約数の個数: 32

約数和(自身を含む): 81560160

約数和(自身を除く): 49678584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 30893, 61786, 92679, 123572, 185358, 247144, 370716, 741432, 1328399, 2656798, 3985197, 5313596, 7970394, 10627192, 15940788, 31881576]

約数ペア:

[(1, 31881576), (2, 15940788), (3, 10627192), (4, 7970394), (6, 5313596), (8, 3985197), (12, 2656798), (24, 1328399), (43, 741432), (86, 370716), (129, 247144), (172, 185358), (258, 123572), (344, 92679), (516, 61786), (1032, 30893)]