39997874

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 73875456

約数和(自身を除く): 33877582

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 4007, 4991, 8014, 9982, 28049, 56098, 92161, 124217, 184322, 248434, 645127, 869519, 1290254, 1739038, 2856991, 5713982, 19998937, 39997874]

約数ペア:

[(1, 39997874), (2, 19998937), (7, 5713982), (14, 2856991), (23, 1739038), (31, 1290254), (46, 869519), (62, 645127), (161, 248434), (217, 184322), (322, 124217), (434, 92161), (713, 56098), (1426, 28049), (4007, 9982), (4991, 8014)]