28320488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 65472000

約数和(自身を除く): 37151512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 532, 602, 619, 817, 1064, 1204, 1238, 1634, 2408, 2476, 3268, 4333, 4952, 5719, 6536, 8666, 11438, 11761, 17332, 22876, 23522, 26617, 34664, 45752, 47044, 53234, 82327, 94088, 106468, 164654, 186319, 212936, 329308, 372638, 505723, 658616, 745276, 1011446, 1490552, 2022892, 3540061, 4045784, 7080122, 14160244, 28320488]

約数ペア:

[(1, 28320488), (2, 14160244), (4, 7080122), (7, 4045784), (8, 3540061), (14, 2022892), (19, 1490552), (28, 1011446), (38, 745276), (43, 658616), (56, 505723), (76, 372638), (86, 329308), (133, 212936), (152, 186319), (172, 164654), (266, 106468), (301, 94088), (344, 82327), (532, 53234), (602, 47044), (619, 45752), (817, 34664), (1064, 26617), (1204, 23522), (1238, 22876), (1634, 17332), (2408, 11761), (2476, 11438), (3268, 8666), (4333, 6536), (4952, 5719)]