31021952

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 67572960

約数和(自身を除く): 36551008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 181, 206, 208, 362, 412, 416, 724, 824, 832, 1339, 1448, 1648, 1664, 2353, 2678, 2896, 3296, 4706, 5356, 5792, 6592, 9412, 10712, 11584, 13184, 18643, 18824, 21424, 23168, 37286, 37648, 42848, 74572, 75296, 85696, 149144, 150592, 171392, 242359, 298288, 301184, 484718, 596576, 969436, 1193152, 1938872, 2386304, 3877744, 7755488, 15510976, 31021952]

約数ペア:

[(1, 31021952), (2, 15510976), (4, 7755488), (8, 3877744), (13, 2386304), (16, 1938872), (26, 1193152), (32, 969436), (52, 596576), (64, 484718), (103, 301184), (104, 298288), (128, 242359), (181, 171392), (206, 150592), (208, 149144), (362, 85696), (412, 75296), (416, 74572), (724, 42848), (824, 37648), (832, 37286), (1339, 23168), (1448, 21424), (1648, 18824), (1664, 18643), (2353, 13184), (2678, 11584), (2896, 10712), (3296, 9412), (4706, 6592), (5356, 5792)]