3981488

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1905

約数の個数: 40

約数和(自身を含む): 9285120

約数和(自身を除く): 5303632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 1871, 2128, 3742, 7484, 13097, 14968, 26194, 29936, 35549, 52388, 71098, 104776, 142196, 209552, 248843, 284392, 497686, 568784, 995372, 1990744, 3981488]

約数ペア:

[(1, 3981488), (2, 1990744), (4, 995372), (7, 568784), (8, 497686), (14, 284392), (16, 248843), (19, 209552), (28, 142196), (38, 104776), (56, 71098), (76, 52388), (112, 35549), (133, 29936), (152, 26194), (266, 14968), (304, 13097), (532, 7484), (1064, 3742), (1871, 2128)]