38917564

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 84460320

約数和(自身を除く): 45542756

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 89, 92, 97, 98, 161, 178, 194, 196, 322, 356, 388, 623, 644, 679, 1127, 1246, 1358, 2047, 2231, 2254, 2492, 2716, 4094, 4361, 4462, 4508, 4753, 8188, 8633, 8722, 8924, 9506, 14329, 15617, 17266, 17444, 19012, 28658, 31234, 34532, 57316, 60431, 62468, 100303, 109319, 120862, 198559, 200606, 218638, 241724, 397118, 401212, 423017, 437276, 794236, 846034, 1389913, 1692068, 2779826, 5559652, 9729391, 19458782, 38917564]

約数ペア:

[(1, 38917564), (2, 19458782), (4, 9729391), (7, 5559652), (14, 2779826), (23, 1692068), (28, 1389913), (46, 846034), (49, 794236), (89, 437276), (92, 423017), (97, 401212), (98, 397118), (161, 241724), (178, 218638), (194, 200606), (196, 198559), (322, 120862), (356, 109319), (388, 100303), (623, 62468), (644, 60431), (679, 57316), (1127, 34532), (1246, 31234), (1358, 28658), (2047, 19012), (2231, 17444), (2254, 17266), (2492, 15617), (2716, 14329), (4094, 9506), (4361, 8924), (4462, 8722), (4508, 8633), (4753, 8188)]