1287996836

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{33749}}^1$

素因数の和:33836

約数の個数: 48

約数和(自身を含む): 2721600000

約数和(自身を除く): 1433603164

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 658, 812, 1316, 1363, 2726, 5452, 9541, 19082, 33749, 38164, 67498, 134996, 236243, 472486, 944972, 978721, 1586203, 1957442, 3172406, 3914884, 6344812, 6851047, 11103421, 13702094, 22206842, 27404188, 44413684, 45999887, 91999774, 183999548, 321999209, 643998418, 1287996836]

約数ペア:

[(1, 1287996836), (2, 643998418), (4, 321999209), (7, 183999548), (14, 91999774), (28, 45999887), (29, 44413684), (47, 27404188), (58, 22206842), (94, 13702094), (116, 11103421), (188, 6851047), (203, 6344812), (329, 3914884), (406, 3172406), (658, 1957442), (812, 1586203), (1316, 978721), (1363, 944972), (2726, 472486), (5452, 236243), (9541, 134996), (19082, 67498), (33749, 38164)]