399063464

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 788520960

約数和(自身を除く): 389457496

約数列:

[1, 2, 4, 8, 47, 61, 94, 122, 127, 137, 188, 244, 254, 274, 376, 488, 508, 548, 1016, 1096, 2867, 5734, 5969, 6439, 7747, 8357, 11468, 11938, 12878, 15494, 16714, 17399, 22936, 23876, 25756, 30988, 33428, 34798, 47752, 51512, 61976, 66856, 69596, 139192, 364109, 392779, 728218, 785558, 817753, 1061339, 1456436, 1571116, 1635506, 2122678, 2912872, 3142232, 3271012, 4245356, 6542024, 8490712, 49882933, 99765866, 199531732, 399063464]

約数ペア:

[(1, 399063464), (2, 199531732), (4, 99765866), (8, 49882933), (47, 8490712), (61, 6542024), (94, 4245356), (122, 3271012), (127, 3142232), (137, 2912872), (188, 2122678), (244, 1635506), (254, 1571116), (274, 1456436), (376, 1061339), (488, 817753), (508, 785558), (548, 728218), (1016, 392779), (1096, 364109), (2867, 139192), (5734, 69596), (5969, 66856), (6439, 61976), (7747, 51512), (8357, 47752), (11468, 34798), (11938, 33428), (12878, 30988), (15494, 25756), (16714, 23876), (17399, 22936)]