408048368

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{280253}}^1$

素因数の和:280281

約数の個数: 40

約数和(自身を含む): 973041888

約数和(自身を除く): 564993520

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 280253, 560506, 1121012, 1961771, 2242024, 3643289, 3923542, 4484048, 7286578, 7847084, 14573156, 15694168, 25503023, 29146312, 31388336, 51006046, 58292624, 102012092, 204024184, 408048368]

約数ペア:

[(1, 408048368), (2, 204024184), (4, 102012092), (7, 58292624), (8, 51006046), (13, 31388336), (14, 29146312), (16, 25503023), (26, 15694168), (28, 14573156), (52, 7847084), (56, 7286578), (91, 4484048), (104, 3923542), (112, 3643289), (182, 2242024), (208, 1961771), (364, 1121012), (728, 560506), (1456, 280253)]