38397499

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 48742400

約数和(自身を除く): 10344901

約数列:

[1, 7, 19, 31, 67, 133, 139, 217, 469, 589, 973, 1273, 2077, 2641, 4123, 4309, 8911, 9313, 14539, 18487, 30163, 39463, 65191, 81871, 176947, 276241, 288703, 573097, 1238629, 2020921, 5485357, 38397499]

約数ペア:

[(1, 38397499), (7, 5485357), (19, 2020921), (31, 1238629), (67, 573097), (133, 288703), (139, 276241), (217, 176947), (469, 81871), (589, 65191), (973, 39463), (1273, 30163), (2077, 18487), (2641, 14539), (4123, 9313), (4309, 8911)]