31501088

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 65862720

約数和(自身を除く): 34361632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 197, 263, 304, 394, 526, 608, 788, 1052, 1576, 2104, 3152, 3743, 4208, 4997, 6304, 7486, 8416, 9994, 14972, 19988, 29944, 39976, 51811, 59888, 79952, 103622, 119776, 159904, 207244, 414488, 828976, 984409, 1657952, 1968818, 3937636, 7875272, 15750544, 31501088]

約数ペア:

[(1, 31501088), (2, 15750544), (4, 7875272), (8, 3937636), (16, 1968818), (19, 1657952), (32, 984409), (38, 828976), (76, 414488), (152, 207244), (197, 159904), (263, 119776), (304, 103622), (394, 79952), (526, 59888), (608, 51811), (788, 39976), (1052, 29944), (1576, 19988), (2104, 14972), (3152, 9994), (3743, 8416), (4208, 7486), (4997, 6304)]