31781244

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 82244736

約数和(自身を除く): 50463492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2684, 3947, 4026, 7894, 8052, 11841, 15788, 23682, 43417, 47364, 86834, 130251, 173668, 240767, 260502, 481534, 521004, 722301, 963068, 1444602, 2648437, 2889204, 5296874, 7945311, 10593748, 15890622, 31781244]

約数ペア:

[(1, 31781244), (2, 15890622), (3, 10593748), (4, 7945311), (6, 5296874), (11, 2889204), (12, 2648437), (22, 1444602), (33, 963068), (44, 722301), (61, 521004), (66, 481534), (122, 260502), (132, 240767), (183, 173668), (244, 130251), (366, 86834), (671, 47364), (732, 43417), (1342, 23682), (2013, 15788), (2684, 11841), (3947, 8052), (4026, 7894)]