163657984

素因数分解:

$2^8\times 7^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 375834368

約数和(自身を除く): 212176384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 271, 337, 448, 542, 674, 896, 1084, 1348, 1792, 1897, 2168, 2359, 2696, 3794, 4336, 4718, 5392, 7588, 8672, 9436, 10784, 15176, 17344, 18872, 21568, 30352, 34688, 37744, 43136, 60704, 69376, 75488, 86272, 91327, 121408, 150976, 182654, 242816, 301952, 365308, 485632, 603904, 639289, 730616, 1278578, 1461232, 2557156, 2922464, 5114312, 5844928, 10228624, 11689856, 20457248, 23379712, 40914496, 81828992, 163657984]

約数ペア:

[(1, 163657984), (2, 81828992), (4, 40914496), (7, 23379712), (8, 20457248), (14, 11689856), (16, 10228624), (28, 5844928), (32, 5114312), (56, 2922464), (64, 2557156), (112, 1461232), (128, 1278578), (224, 730616), (256, 639289), (271, 603904), (337, 485632), (448, 365308), (542, 301952), (674, 242816), (896, 182654), (1084, 150976), (1348, 121408), (1792, 91327), (1897, 86272), (2168, 75488), (2359, 69376), (2696, 60704), (3794, 43136), (4336, 37744), (4718, 34688), (5392, 30352), (7588, 21568), (8672, 18872), (9436, 17344), (10784, 15176)]