1421238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 3709440

約数和(自身を除く): 2288202

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 137, 182, 247, 266, 273, 274, 399, 411, 494, 546, 741, 798, 822, 959, 1482, 1729, 1781, 1918, 2603, 2877, 3458, 3562, 5187, 5206, 5343, 5754, 7809, 10374, 10686, 12467, 15618, 18221, 24934, 33839, 36442, 37401, 54663, 67678, 74802, 101517, 109326, 203034, 236873, 473746, 710619, 1421238]

約数ペア:

[(1, 1421238), (2, 710619), (3, 473746), (6, 236873), (7, 203034), (13, 109326), (14, 101517), (19, 74802), (21, 67678), (26, 54663), (38, 37401), (39, 36442), (42, 33839), (57, 24934), (78, 18221), (91, 15618), (114, 12467), (133, 10686), (137, 10374), (182, 7809), (247, 5754), (266, 5343), (273, 5206), (274, 5187), (399, 3562), (411, 3458), (494, 2877), (546, 2603), (741, 1918), (798, 1781), (822, 1729), (959, 1482)]