81620504

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1871}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 188697600

約数和(自身を除く): 107077096

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 56, 76, 82, 133, 152, 164, 266, 287, 328, 532, 574, 779, 1064, 1148, 1558, 1871, 2296, 3116, 3742, 5453, 6232, 7484, 10906, 13097, 14968, 21812, 26194, 35549, 43624, 52388, 71098, 76711, 104776, 142196, 153422, 248843, 284392, 306844, 497686, 536977, 613688, 995372, 1073954, 1457509, 1990744, 2147908, 2915018, 4295816, 5830036, 10202563, 11660072, 20405126, 40810252, 81620504]

約数ペア:

[(1, 81620504), (2, 40810252), (4, 20405126), (7, 11660072), (8, 10202563), (14, 5830036), (19, 4295816), (28, 2915018), (38, 2147908), (41, 1990744), (56, 1457509), (76, 1073954), (82, 995372), (133, 613688), (152, 536977), (164, 497686), (266, 306844), (287, 284392), (328, 248843), (532, 153422), (574, 142196), (779, 104776), (1064, 76711), (1148, 71098), (1558, 52388), (1871, 43624), (2296, 35549), (3116, 26194), (3742, 21812), (5453, 14968), (6232, 13097), (7484, 10906)]