78129416

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 159148800

約数和(自身を除く): 81019384

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 289, 376, 578, 719, 799, 1156, 1438, 1598, 2312, 2876, 3196, 5752, 6392, 12223, 13583, 24446, 27166, 33793, 48892, 54332, 67586, 97784, 108664, 135172, 207791, 270344, 415582, 574481, 831164, 1148962, 1662328, 2297924, 4595848, 9766177, 19532354, 39064708, 78129416]

約数ペア:

[(1, 78129416), (2, 39064708), (4, 19532354), (8, 9766177), (17, 4595848), (34, 2297924), (47, 1662328), (68, 1148962), (94, 831164), (136, 574481), (188, 415582), (289, 270344), (376, 207791), (578, 135172), (719, 108664), (799, 97784), (1156, 67586), (1438, 54332), (1598, 48892), (2312, 33793), (2876, 27166), (3196, 24446), (5752, 13583), (6392, 12223)]