289402456

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 641044800

約数和(自身を除く): 351642344

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 197, 259, 296, 394, 518, 709, 788, 1036, 1379, 1418, 1576, 2072, 2758, 2836, 4963, 5516, 5672, 7289, 9926, 11032, 14578, 19852, 26233, 29156, 39704, 51023, 52466, 58312, 102046, 104932, 139673, 183631, 204092, 209864, 279346, 367262, 408184, 558692, 734524, 977711, 1117384, 1469048, 1955422, 3910844, 5167901, 7821688, 10335802, 20671604, 36175307, 41343208, 72350614, 144701228, 289402456]

約数ペア:

[(1, 289402456), (2, 144701228), (4, 72350614), (7, 41343208), (8, 36175307), (14, 20671604), (28, 10335802), (37, 7821688), (56, 5167901), (74, 3910844), (148, 1955422), (197, 1469048), (259, 1117384), (296, 977711), (394, 734524), (518, 558692), (709, 408184), (788, 367262), (1036, 279346), (1379, 209864), (1418, 204092), (1576, 183631), (2072, 139673), (2758, 104932), (2836, 102046), (4963, 58312), (5516, 52466), (5672, 51023), (7289, 39704), (9926, 29156), (11032, 26233), (14578, 19852)]