201273856

素因数分解:

$2^9\times 7^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 80

約数和(自身を含む): 465505920

約数和(自身を除く): 264232064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 631, 712, 896, 1246, 1262, 1424, 1792, 2492, 2524, 2848, 3584, 4417, 4984, 5048, 5696, 8834, 9968, 10096, 11392, 17668, 19936, 20192, 22784, 35336, 39872, 40384, 45568, 56159, 70672, 79744, 80768, 112318, 141344, 159488, 161536, 224636, 282688, 318976, 323072, 393113, 449272, 565376, 786226, 898544, 1130752, 1572452, 1797088, 2261504, 3144904, 3594176, 6289808, 7188352, 12579616, 14376704, 25159232, 28753408, 50318464, 100636928, 201273856]

約数ペア:

[(1, 201273856), (2, 100636928), (4, 50318464), (7, 28753408), (8, 25159232), (14, 14376704), (16, 12579616), (28, 7188352), (32, 6289808), (56, 3594176), (64, 3144904), (89, 2261504), (112, 1797088), (128, 1572452), (178, 1130752), (224, 898544), (256, 786226), (356, 565376), (448, 449272), (512, 393113), (623, 323072), (631, 318976), (712, 282688), (896, 224636), (1246, 161536), (1262, 159488), (1424, 141344), (1792, 112318), (2492, 80768), (2524, 79744), (2848, 70672), (3584, 56159), (4417, 45568), (4984, 40384), (5048, 39872), (5696, 35336), (8834, 22784), (9968, 20192), (10096, 19936), (11392, 17668)]