663281536

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3257}}^1$

素因数の和:3351

約数の個数: 64

約数和(自身を含む): 1389080880

約数和(自身を除く): 725799344

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 64, 74, 86, 128, 148, 172, 296, 344, 592, 688, 1184, 1376, 1591, 2368, 2752, 3182, 3257, 4736, 5504, 6364, 6514, 12728, 13028, 25456, 26056, 50912, 52112, 101824, 104224, 120509, 140051, 203648, 208448, 241018, 280102, 416896, 482036, 560204, 964072, 1120408, 1928144, 2240816, 3856288, 4481632, 5181887, 7712576, 8963264, 10363774, 15425152, 17926528, 20727548, 41455096, 82910192, 165820384, 331640768, 663281536]

約数ペア:

[(1, 663281536), (2, 331640768), (4, 165820384), (8, 82910192), (16, 41455096), (32, 20727548), (37, 17926528), (43, 15425152), (64, 10363774), (74, 8963264), (86, 7712576), (128, 5181887), (148, 4481632), (172, 3856288), (296, 2240816), (344, 1928144), (592, 1120408), (688, 964072), (1184, 560204), (1376, 482036), (1591, 416896), (2368, 280102), (2752, 241018), (3182, 208448), (3257, 203648), (4736, 140051), (5504, 120509), (6364, 104224), (6514, 101824), (12728, 52112), (13028, 50912), (25456, 26056)]