31217732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 67831680

約数和(自身を除く): 36613948

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 617, 973, 1234, 1807, 1946, 2468, 3614, 3892, 4319, 7228, 8021, 8638, 12649, 16042, 17276, 25298, 32084, 50596, 56147, 85763, 112294, 171526, 224588, 343052, 600341, 1114919, 1200682, 2229838, 2401364, 4459676, 7804433, 15608866, 31217732]

約数ペア:

[(1, 31217732), (2, 15608866), (4, 7804433), (7, 4459676), (13, 2401364), (14, 2229838), (26, 1200682), (28, 1114919), (52, 600341), (91, 343052), (139, 224588), (182, 171526), (278, 112294), (364, 85763), (556, 56147), (617, 50596), (973, 32084), (1234, 25298), (1807, 17276), (1946, 16042), (2468, 12649), (3614, 8638), (3892, 8021), (4319, 7228)]