221407736

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 460158720

約数和(自身を除く): 238750984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 127, 242, 254, 484, 508, 968, 1016, 1397, 1801, 2794, 3602, 5588, 7204, 11176, 14408, 15367, 19811, 30734, 39622, 61468, 79244, 122936, 158488, 217921, 228727, 435842, 457454, 871684, 914908, 1743368, 1829816, 2515997, 5031994, 10063988, 20127976, 27675967, 55351934, 110703868, 221407736]

約数ペア:

[(1, 221407736), (2, 110703868), (4, 55351934), (8, 27675967), (11, 20127976), (22, 10063988), (44, 5031994), (88, 2515997), (121, 1829816), (127, 1743368), (242, 914908), (254, 871684), (484, 457454), (508, 435842), (968, 228727), (1016, 217921), (1397, 158488), (1801, 122936), (2794, 79244), (3602, 61468), (5588, 39622), (7204, 30734), (11176, 19811), (14408, 15367)]