31289088

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 84180096

約数和(自身を除く): 52891008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 311, 384, 393, 524, 622, 768, 786, 933, 1048, 1244, 1572, 1866, 2096, 2488, 3144, 3732, 4192, 4976, 6288, 7464, 8384, 9952, 12576, 14928, 16768, 19904, 25152, 29856, 33536, 39808, 40741, 50304, 59712, 79616, 81482, 100608, 119424, 122223, 162964, 238848, 244446, 325928, 488892, 651856, 977784, 1303712, 1955568, 2607424, 3911136, 5214848, 7822272, 10429696, 15644544, 31289088]

約数ペア:

[(1, 31289088), (2, 15644544), (3, 10429696), (4, 7822272), (6, 5214848), (8, 3911136), (12, 2607424), (16, 1955568), (24, 1303712), (32, 977784), (48, 651856), (64, 488892), (96, 325928), (128, 244446), (131, 238848), (192, 162964), (256, 122223), (262, 119424), (311, 100608), (384, 81482), (393, 79616), (524, 59712), (622, 50304), (768, 40741), (786, 39808), (933, 33536), (1048, 29856), (1244, 25152), (1572, 19904), (1866, 16768), (2096, 14928), (2488, 12576), (3144, 9952), (3732, 8384), (4192, 7464), (4976, 6288)]