15890042

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 15075718

約数列:

[1, 2, 7, 14, 19, 31, 38, 41, 47, 62, 82, 94, 133, 217, 266, 287, 329, 434, 574, 589, 658, 779, 893, 1178, 1271, 1457, 1558, 1786, 1927, 2542, 2914, 3854, 4123, 5453, 6251, 8246, 8897, 10199, 10906, 12502, 13489, 17794, 20398, 24149, 26978, 27683, 36613, 48298, 55366, 59737, 73226, 119474, 169043, 193781, 256291, 338086, 387562, 418159, 512582, 836318, 1135003, 2270006, 7945021, 15890042]

約数ペア:

[(1, 15890042), (2, 7945021), (7, 2270006), (14, 1135003), (19, 836318), (31, 512582), (38, 418159), (41, 387562), (47, 338086), (62, 256291), (82, 193781), (94, 169043), (133, 119474), (217, 73226), (266, 59737), (287, 55366), (329, 48298), (434, 36613), (574, 27683), (589, 26978), (658, 24149), (779, 20398), (893, 17794), (1178, 13489), (1271, 12502), (1457, 10906), (1558, 10199), (1786, 8897), (1927, 8246), (2542, 6251), (2914, 5453), (3854, 4123)]