891772195244

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{811171}}^1$

素因数の和:811339

約数の個数: 72

約数和(自身を含む): 1864267937280

約数和(自身を除く): 972495742036

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 79, 98, 142, 158, 196, 284, 316, 497, 553, 994, 1106, 1988, 2212, 3479, 3871, 5609, 6958, 7742, 11218, 13916, 15484, 22436, 39263, 78526, 157052, 274841, 549682, 811171, 1099364, 1622342, 3244684, 5678197, 11356394, 22712788, 39747379, 57593141, 64082509, 79494758, 115186282, 128165018, 158989516, 230372564, 256330036, 403151987, 448577563, 806303974, 897155126, 1612607948, 1794310252, 2822063909, 3140042941, 4549858139, 5644127818, 6280085882, 9099716278, 11288255636, 12560171764, 18199432556, 31849006973, 63698013946, 127396027892, 222943048811, 445886097622, 891772195244]

約数ペア:

[(1, 891772195244), (2, 445886097622), (4, 222943048811), (7, 127396027892), (14, 63698013946), (28, 31849006973), (49, 18199432556), (71, 12560171764), (79, 11288255636), (98, 9099716278), (142, 6280085882), (158, 5644127818), (196, 4549858139), (284, 3140042941), (316, 2822063909), (497, 1794310252), (553, 1612607948), (994, 897155126), (1106, 806303974), (1988, 448577563), (2212, 403151987), (3479, 256330036), (3871, 230372564), (5609, 158989516), (6958, 128165018), (7742, 115186282), (11218, 79494758), (13916, 64082509), (15484, 57593141), (22436, 39747379), (39263, 22712788), (78526, 11356394), (157052, 5678197), (274841, 3244684), (549682, 1622342), (811171, 1099364)]