858446290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 1709390592

約数和(自身を除く): 850944302

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 103, 122, 130, 206, 305, 515, 610, 793, 1030, 1051, 1339, 1586, 2102, 2678, 3965, 5255, 6283, 6695, 7930, 10510, 12566, 13390, 13663, 27326, 31415, 62830, 64111, 68315, 81679, 108253, 128222, 136630, 163358, 216506, 320555, 408395, 541265, 641110, 816790, 833443, 1082530, 1407289, 1666886, 2814578, 4167215, 6603433, 7036445, 8334430, 13206866, 14072890, 33017165, 66034330, 85844629, 171689258, 429223145, 858446290]

約数ペア:

[(1, 858446290), (2, 429223145), (5, 171689258), (10, 85844629), (13, 66034330), (26, 33017165), (61, 14072890), (65, 13206866), (103, 8334430), (122, 7036445), (130, 6603433), (206, 4167215), (305, 2814578), (515, 1666886), (610, 1407289), (793, 1082530), (1030, 833443), (1051, 816790), (1339, 641110), (1586, 541265), (2102, 408395), (2678, 320555), (3965, 216506), (5255, 163358), (6283, 136630), (6695, 128222), (7930, 108253), (10510, 81679), (12566, 68315), (13390, 64111), (13663, 62830), (27326, 31415)]