31812374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 53464320

約数和(自身を除く): 21651946

約数列:

[1, 2, 11, 22, 101, 103, 139, 202, 206, 278, 1111, 1133, 1529, 2222, 2266, 3058, 10403, 14039, 14317, 20806, 28078, 28634, 114433, 154429, 157487, 228866, 308858, 314974, 1446017, 2892034, 15906187, 31812374]

約数ペア:

[(1, 31812374), (2, 15906187), (11, 2892034), (22, 1446017), (101, 314974), (103, 308858), (139, 228866), (202, 157487), (206, 154429), (278, 114433), (1111, 28634), (1133, 28078), (1529, 20806), (2222, 14317), (2266, 14039), (3058, 10403)]