389601916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2053}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 786764160

約数和(自身を除く): 397162244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 227, 418, 454, 836, 908, 2053, 2497, 4106, 4313, 4994, 8212, 8626, 9988, 17252, 22583, 39007, 45166, 47443, 78014, 90332, 94886, 156028, 189772, 429077, 466031, 858154, 932062, 1716308, 1864124, 5126341, 8854589, 10252682, 17709178, 20505364, 35418356, 97400479, 194800958, 389601916]

約数ペア:

[(1, 389601916), (2, 194800958), (4, 97400479), (11, 35418356), (19, 20505364), (22, 17709178), (38, 10252682), (44, 8854589), (76, 5126341), (209, 1864124), (227, 1716308), (418, 932062), (454, 858154), (836, 466031), (908, 429077), (2053, 189772), (2497, 156028), (4106, 94886), (4313, 90332), (4994, 78014), (8212, 47443), (8626, 45166), (9988, 39007), (17252, 22583)]