31810712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 66739200

約数和(自身を除く): 34928488

約数列:

[1, 2, 4, 8, 19, 31, 38, 43, 62, 76, 86, 124, 152, 157, 172, 248, 314, 344, 589, 628, 817, 1178, 1256, 1333, 1634, 2356, 2666, 2983, 3268, 4712, 4867, 5332, 5966, 6536, 6751, 9734, 10664, 11932, 13502, 19468, 23864, 25327, 27004, 38936, 50654, 54008, 92473, 101308, 128269, 184946, 202616, 209281, 256538, 369892, 418562, 513076, 739784, 837124, 1026152, 1674248, 3976339, 7952678, 15905356, 31810712]

約数ペア:

[(1, 31810712), (2, 15905356), (4, 7952678), (8, 3976339), (19, 1674248), (31, 1026152), (38, 837124), (43, 739784), (62, 513076), (76, 418562), (86, 369892), (124, 256538), (152, 209281), (157, 202616), (172, 184946), (248, 128269), (314, 101308), (344, 92473), (589, 54008), (628, 50654), (817, 38936), (1178, 27004), (1256, 25327), (1333, 23864), (1634, 19468), (2356, 13502), (2666, 11932), (2983, 10664), (3268, 9734), (4712, 6751), (4867, 6536), (5332, 5966)]