31689812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 71393280

約数和(自身を除く): 39703468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 3319, 4774, 6638, 9548, 13276, 23233, 36509, 46466, 73018, 92932, 102889, 146036, 205778, 255563, 411556, 511126, 720223, 1022252, 1131779, 1440446, 2263558, 2880892, 4527116, 7922453, 15844906, 31689812]

約数ペア:

[(1, 31689812), (2, 15844906), (4, 7922453), (7, 4527116), (11, 2880892), (14, 2263558), (22, 1440446), (28, 1131779), (31, 1022252), (44, 720223), (62, 511126), (77, 411556), (124, 255563), (154, 205778), (217, 146036), (308, 102889), (341, 92932), (434, 73018), (682, 46466), (868, 36509), (1364, 23233), (2387, 13276), (3319, 9548), (4774, 6638)]