28618394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 54853632

約数和(自身を除く): 26235238

約数列:

[1, 2, 7, 14, 23, 31, 46, 47, 61, 62, 94, 122, 161, 217, 322, 329, 427, 434, 658, 713, 854, 1081, 1403, 1426, 1457, 1891, 2162, 2806, 2867, 2914, 3782, 4991, 5734, 7567, 9821, 9982, 10199, 13237, 15134, 19642, 20069, 20398, 26474, 33511, 40138, 43493, 65941, 67022, 86986, 88877, 131882, 177754, 234577, 304451, 461587, 469154, 608902, 622139, 923174, 1244278, 2044171, 4088342, 14309197, 28618394]

約数ペア:

[(1, 28618394), (2, 14309197), (7, 4088342), (14, 2044171), (23, 1244278), (31, 923174), (46, 622139), (47, 608902), (61, 469154), (62, 461587), (94, 304451), (122, 234577), (161, 177754), (217, 131882), (322, 88877), (329, 86986), (427, 67022), (434, 65941), (658, 43493), (713, 40138), (854, 33511), (1081, 26474), (1403, 20398), (1426, 20069), (1457, 19642), (1891, 15134), (2162, 13237), (2806, 10199), (2867, 9982), (2914, 9821), (3782, 7567), (4991, 5734)]