81052764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 209259792

約数和(自身を除く): 128207028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 281, 516, 559, 562, 843, 1118, 1124, 1677, 1686, 1849, 2236, 3354, 3372, 3653, 3698, 5547, 6708, 7306, 7396, 10959, 11094, 12083, 14612, 21918, 22188, 24037, 24166, 36249, 43836, 48074, 48332, 72111, 72498, 96148, 144222, 144996, 157079, 288444, 314158, 471237, 519569, 628316, 942474, 1039138, 1558707, 1884948, 2078276, 3117414, 6234828, 6754397, 13508794, 20263191, 27017588, 40526382, 81052764]

約数ペア:

[(1, 81052764), (2, 40526382), (3, 27017588), (4, 20263191), (6, 13508794), (12, 6754397), (13, 6234828), (26, 3117414), (39, 2078276), (43, 1884948), (52, 1558707), (78, 1039138), (86, 942474), (129, 628316), (156, 519569), (172, 471237), (258, 314158), (281, 288444), (516, 157079), (559, 144996), (562, 144222), (843, 96148), (1118, 72498), (1124, 72111), (1677, 48332), (1686, 48074), (1849, 43836), (2236, 36249), (3354, 24166), (3372, 24037), (3653, 22188), (3698, 21918), (5547, 14612), (6708, 12083), (7306, 11094), (7396, 10959)]