31123235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 17260765

約数列:

[1, 5, 11, 13, 19, 29, 55, 65, 79, 95, 143, 145, 209, 247, 319, 377, 395, 551, 715, 869, 1027, 1045, 1235, 1501, 1595, 1885, 2291, 2717, 2755, 4147, 4345, 5135, 6061, 7163, 7505, 11297, 11455, 13585, 16511, 19513, 20735, 25201, 29783, 30305, 35815, 43529, 56485, 78793, 82555, 97565, 126005, 148915, 214643, 217645, 327613, 393965, 478819, 565877, 1073215, 1638065, 2394095, 2829385, 6224647, 31123235]

約数ペア:

[(1, 31123235), (5, 6224647), (11, 2829385), (13, 2394095), (19, 1638065), (29, 1073215), (55, 565877), (65, 478819), (79, 393965), (95, 327613), (143, 217645), (145, 214643), (209, 148915), (247, 126005), (319, 97565), (377, 82555), (395, 78793), (551, 56485), (715, 43529), (869, 35815), (1027, 30305), (1045, 29783), (1235, 25201), (1501, 20735), (1595, 19513), (1885, 16511), (2291, 13585), (2717, 11455), (2755, 11297), (4147, 7505), (4345, 7163), (5135, 6061)]