128681028

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{170213}}^1$

素因数の和:170233

約数の個数: 48

約数和(自身を含む): 381279360

約数和(自身を除く): 252598332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 170213, 340426, 510639, 680852, 1021278, 1191491, 1531917, 2042556, 2382982, 3063834, 3574473, 4595751, 4765964, 6127668, 7148946, 9191502, 10723419, 14297892, 18383004, 21446838, 32170257, 42893676, 64340514, 128681028]

約数ペア:

[(1, 128681028), (2, 64340514), (3, 42893676), (4, 32170257), (6, 21446838), (7, 18383004), (9, 14297892), (12, 10723419), (14, 9191502), (18, 7148946), (21, 6127668), (27, 4765964), (28, 4595751), (36, 3574473), (42, 3063834), (54, 2382982), (63, 2042556), (84, 1531917), (108, 1191491), (126, 1021278), (189, 680852), (252, 510639), (378, 340426), (756, 170213)]