28331394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2775

約数の個数: 64

約数和(自身を含む): 73436160

約数和(自身を除く): 45104766

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2731, 3458, 5187, 5462, 8193, 10374, 16386, 19117, 35503, 38234, 51889, 57351, 71006, 103778, 106509, 114702, 155667, 213018, 248521, 311334, 363223, 497042, 674557, 726446, 745563, 1089669, 1349114, 1491126, 2023671, 2179338, 4047342, 4721899, 9443798, 14165697, 28331394]

約数ペア:

[(1, 28331394), (2, 14165697), (3, 9443798), (6, 4721899), (7, 4047342), (13, 2179338), (14, 2023671), (19, 1491126), (21, 1349114), (26, 1089669), (38, 745563), (39, 726446), (42, 674557), (57, 497042), (78, 363223), (91, 311334), (114, 248521), (133, 213018), (182, 155667), (247, 114702), (266, 106509), (273, 103778), (399, 71006), (494, 57351), (546, 51889), (741, 38234), (798, 35503), (1482, 19117), (1729, 16386), (2731, 10374), (3458, 8193), (5187, 5462)]