2019404807

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 2513322432

約数和(自身を除く): 493917625

約数列:

[1, 7, 23, 49, 101, 113, 157, 161, 707, 791, 1099, 1127, 2323, 2599, 3611, 4949, 5537, 7693, 11413, 15857, 16261, 17741, 18193, 25277, 79891, 110999, 113827, 124187, 127351, 176939, 262499, 364711, 408043, 559237, 776993, 869309, 1791841, 1837493, 2552977, 2856301, 12542887, 12862451, 17870839, 19994107, 41212343, 87800209, 288486401, 2019404807]

約数ペア:

[(1, 2019404807), (7, 288486401), (23, 87800209), (49, 41212343), (101, 19994107), (113, 17870839), (157, 12862451), (161, 12542887), (707, 2856301), (791, 2552977), (1099, 1837493), (1127, 1791841), (2323, 869309), (2599, 776993), (3611, 559237), (4949, 408043), (5537, 364711), (7693, 262499), (11413, 176939), (15857, 127351), (16261, 124187), (17741, 113827), (18193, 110999), (25277, 79891)]