258689536

素因数分解:

$2^9\times 7^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:925

約数の個数: 80

約数和(自身を含む): 598086720

約数和(自身を除く): 339397184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 712, 811, 896, 1246, 1424, 1622, 1792, 2492, 2848, 3244, 3584, 4984, 5677, 5696, 6488, 9968, 11354, 11392, 12976, 19936, 22708, 22784, 25952, 39872, 45416, 45568, 51904, 72179, 79744, 90832, 103808, 144358, 159488, 181664, 207616, 288716, 318976, 363328, 415232, 505253, 577432, 726656, 1010506, 1154864, 1453312, 2021012, 2309728, 2906624, 4042024, 4619456, 8084048, 9238912, 16168096, 18477824, 32336192, 36955648, 64672384, 129344768, 258689536]

約数ペア:

[(1, 258689536), (2, 129344768), (4, 64672384), (7, 36955648), (8, 32336192), (14, 18477824), (16, 16168096), (28, 9238912), (32, 8084048), (56, 4619456), (64, 4042024), (89, 2906624), (112, 2309728), (128, 2021012), (178, 1453312), (224, 1154864), (256, 1010506), (356, 726656), (448, 577432), (512, 505253), (623, 415232), (712, 363328), (811, 318976), (896, 288716), (1246, 207616), (1424, 181664), (1622, 159488), (1792, 144358), (2492, 103808), (2848, 90832), (3244, 79744), (3584, 72179), (4984, 51904), (5677, 45568), (5696, 45416), (6488, 39872), (9968, 25952), (11354, 22784), (11392, 22708), (12976, 19936)]