138191935

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 70826945

約数列:

[1, 5, 7, 23, 35, 41, 53, 79, 115, 161, 205, 265, 287, 371, 395, 553, 805, 943, 1219, 1435, 1817, 1855, 2173, 2765, 3239, 4187, 4715, 6095, 6601, 8533, 9085, 10865, 12719, 15211, 16195, 20935, 22673, 29309, 33005, 42665, 49979, 63595, 74497, 76055, 96301, 113365, 146545, 171667, 249895, 349853, 372485, 481505, 521479, 674107, 858335, 1201669, 1749265, 2607395, 3370535, 3948341, 6008345, 19741705, 27638387, 138191935]

約数ペア:

[(1, 138191935), (5, 27638387), (7, 19741705), (23, 6008345), (35, 3948341), (41, 3370535), (53, 2607395), (79, 1749265), (115, 1201669), (161, 858335), (205, 674107), (265, 521479), (287, 481505), (371, 372485), (395, 349853), (553, 249895), (805, 171667), (943, 146545), (1219, 113365), (1435, 96301), (1817, 76055), (1855, 74497), (2173, 63595), (2765, 49979), (3239, 42665), (4187, 33005), (4715, 29309), (6095, 22673), (6601, 20935), (8533, 16195), (9085, 15211), (10865, 12719)]