81489352

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4423}}^1$

素因数の和:4490

約数の個数: 48

約数和(自身を含む): 181560960

約数和(自身を除く): 100071608

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1316, 2303, 2632, 4423, 4606, 8846, 9212, 17692, 18424, 30961, 35384, 61922, 123844, 207881, 216727, 247688, 415762, 433454, 831524, 866908, 1455167, 1663048, 1733816, 2910334, 5820668, 10186169, 11641336, 20372338, 40744676, 81489352]

約数ペア:

[(1, 81489352), (2, 40744676), (4, 20372338), (7, 11641336), (8, 10186169), (14, 5820668), (28, 2910334), (47, 1733816), (49, 1663048), (56, 1455167), (94, 866908), (98, 831524), (188, 433454), (196, 415762), (329, 247688), (376, 216727), (392, 207881), (658, 123844), (1316, 61922), (2303, 35384), (2632, 30961), (4423, 18424), (4606, 17692), (8846, 9212)]