638298122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 1304087040

約数和(自身を除く): 665788918

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 209, 217, 227, 266, 341, 418, 434, 454, 589, 682, 961, 1178, 1463, 1589, 1922, 2387, 2497, 2926, 3178, 4123, 4313, 4774, 4994, 6479, 6727, 7037, 8246, 8626, 10571, 12958, 13454, 14074, 17479, 18259, 21142, 30191, 34958, 36518, 45353, 47443, 49259, 60382, 73997, 77407, 90706, 94886, 98518, 127813, 133703, 147994, 154814, 200849, 218147, 255626, 267406, 332101, 401698, 436294, 541849, 664202, 935921, 1083698, 1405943, 1470733, 1527029, 1871842, 2399617, 2811886, 2941466, 3054058, 4144793, 4799234, 8289586, 10295131, 16797319, 20590262, 29013551, 33594638, 45592723, 58027102, 91185446, 319149061, 638298122]

約数ペア:

[(1, 638298122), (2, 319149061), (7, 91185446), (11, 58027102), (14, 45592723), (19, 33594638), (22, 29013551), (31, 20590262), (38, 16797319), (62, 10295131), (77, 8289586), (133, 4799234), (154, 4144793), (209, 3054058), (217, 2941466), (227, 2811886), (266, 2399617), (341, 1871842), (418, 1527029), (434, 1470733), (454, 1405943), (589, 1083698), (682, 935921), (961, 664202), (1178, 541849), (1463, 436294), (1589, 401698), (1922, 332101), (2387, 267406), (2497, 255626), (2926, 218147), (3178, 200849), (4123, 154814), (4313, 147994), (4774, 133703), (4994, 127813), (6479, 98518), (6727, 94886), (7037, 90706), (8246, 77407), (8626, 73997), (10571, 60382), (12958, 49259), (13454, 47443), (14074, 45353), (17479, 36518), (18259, 34958), (21142, 30191)]