209325578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 408084480

約数和(自身を除く): 198758902

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 163, 217, 269, 326, 341, 434, 538, 682, 1141, 1793, 1883, 2282, 2387, 2959, 3586, 3766, 4774, 5053, 5918, 8339, 10106, 12551, 16678, 20713, 25102, 35371, 41426, 43847, 55583, 58373, 70742, 87694, 91729, 111166, 116746, 183458, 306929, 389081, 482317, 613858, 642103, 778162, 964634, 1284206, 1359257, 2718514, 3376219, 6752438, 9514799, 14951827, 19029598, 29903654, 104662789, 209325578]

約数ペア:

[(1, 209325578), (2, 104662789), (7, 29903654), (11, 19029598), (14, 14951827), (22, 9514799), (31, 6752438), (62, 3376219), (77, 2718514), (154, 1359257), (163, 1284206), (217, 964634), (269, 778162), (326, 642103), (341, 613858), (434, 482317), (538, 389081), (682, 306929), (1141, 183458), (1793, 116746), (1883, 111166), (2282, 91729), (2387, 87694), (2959, 70742), (3586, 58373), (3766, 55583), (4774, 43847), (5053, 41426), (5918, 35371), (8339, 25102), (10106, 20713), (12551, 16678)]