2021889716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{177421}}^1$

素因数の和:177480

約数の個数: 48

約数和(自身を含む): 4530648192

約数和(自身を除く): 2508758476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2849, 5698, 11396, 177421, 354842, 709684, 1241947, 1951631, 2483894, 3903262, 4967788, 6564577, 7806524, 13129154, 13661417, 26258308, 27322834, 45952039, 54645668, 72210347, 91904078, 144420694, 183808156, 288841388, 505472429, 1010944858, 2021889716]

約数ペア:

[(1, 2021889716), (2, 1010944858), (4, 505472429), (7, 288841388), (11, 183808156), (14, 144420694), (22, 91904078), (28, 72210347), (37, 54645668), (44, 45952039), (74, 27322834), (77, 26258308), (148, 13661417), (154, 13129154), (259, 7806524), (308, 6564577), (407, 4967788), (518, 3903262), (814, 2483894), (1036, 1951631), (1628, 1241947), (2849, 709684), (5698, 354842), (11396, 177421)]