399460698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243871}}^1$

素因数の和:243899

約数の個数: 48

約数和(自身を含む): 1065232896

約数和(自身を除く): 665772198

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 243871, 487742, 731613, 1463226, 1707097, 2194839, 3170323, 3414194, 4389678, 5121291, 6340646, 9510969, 10242582, 15363873, 19021938, 22192261, 28532907, 30727746, 44384522, 57065814, 66576783, 133153566, 199730349, 399460698]

約数ペア:

[(1, 399460698), (2, 199730349), (3, 133153566), (6, 66576783), (7, 57065814), (9, 44384522), (13, 30727746), (14, 28532907), (18, 22192261), (21, 19021938), (26, 15363873), (39, 10242582), (42, 9510969), (63, 6340646), (78, 5121291), (91, 4389678), (117, 3414194), (126, 3170323), (182, 2194839), (234, 1707097), (273, 1463226), (546, 731613), (819, 487742), (1638, 243871)]