278499892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{9433}}^1$

素因数の和:9520

約数の個数: 36

約数和(自身を含む): 544549348

約数和(自身を除く): 266049456

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 671, 1342, 2684, 7381, 9433, 14762, 18866, 29524, 37732, 103763, 207526, 415052, 575413, 1141393, 1150826, 2282786, 2301652, 4565572, 6329543, 12659086, 25318172, 69624973, 139249946, 278499892]

約数ペア:

[(1, 278499892), (2, 139249946), (4, 69624973), (11, 25318172), (22, 12659086), (44, 6329543), (61, 4565572), (121, 2301652), (122, 2282786), (242, 1150826), (244, 1141393), (484, 575413), (671, 415052), (1342, 207526), (2684, 103763), (7381, 37732), (9433, 29524), (14762, 18866)]