389610542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 652043520

約数和(自身を除く): 262432978

約数列:

[1, 2, 19, 31, 38, 47, 62, 94, 227, 454, 589, 893, 961, 1178, 1457, 1786, 1922, 2914, 4313, 7037, 8626, 10669, 14074, 18259, 21338, 27683, 36518, 45167, 55366, 90334, 133703, 202711, 218147, 267406, 330739, 405422, 436294, 661478, 858173, 1716346, 4144793, 6284041, 8289586, 10252909, 12568082, 20505818, 194805271, 389610542]

約数ペア:

[(1, 389610542), (2, 194805271), (19, 20505818), (31, 12568082), (38, 10252909), (47, 8289586), (62, 6284041), (94, 4144793), (227, 1716346), (454, 858173), (589, 661478), (893, 436294), (961, 405422), (1178, 330739), (1457, 267406), (1786, 218147), (1922, 202711), (2914, 133703), (4313, 90334), (7037, 55366), (8626, 45167), (10669, 36518), (14074, 27683), (18259, 21338)]