87215548

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 186278400

約数和(自身を除く): 99062852

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2309, 2698, 4618, 5396, 9236, 9443, 16163, 18886, 32326, 37772, 43871, 64652, 87742, 163939, 175484, 307097, 327878, 614194, 655756, 1147573, 1228388, 2295146, 3114841, 4590292, 6229682, 12459364, 21803887, 43607774, 87215548]

約数ペア:

[(1, 87215548), (2, 43607774), (4, 21803887), (7, 12459364), (14, 6229682), (19, 4590292), (28, 3114841), (38, 2295146), (71, 1228388), (76, 1147573), (133, 655756), (142, 614194), (266, 327878), (284, 307097), (497, 175484), (532, 163939), (994, 87742), (1349, 64652), (1988, 43871), (2309, 37772), (2698, 32326), (4618, 18886), (5396, 16163), (9236, 9443)]