258745088

素因数分解:

$2^8\times 7^2\times {\mathrm{20627}}^1$

素因数の和:20657

約数の個数: 54

約数和(自身を含む): 600831756

約数和(自身を除く): 342086668

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 20627, 41254, 82508, 144389, 165016, 288778, 330032, 577556, 660064, 1010723, 1155112, 1320128, 2021446, 2310224, 2640256, 4042892, 4620448, 5280512, 8085784, 9240896, 16171568, 18481792, 32343136, 36963584, 64686272, 129372544, 258745088]

約数ペア:

[(1, 258745088), (2, 129372544), (4, 64686272), (7, 36963584), (8, 32343136), (14, 18481792), (16, 16171568), (28, 9240896), (32, 8085784), (49, 5280512), (56, 4620448), (64, 4042892), (98, 2640256), (112, 2310224), (128, 2021446), (196, 1320128), (224, 1155112), (256, 1010723), (392, 660064), (448, 577556), (784, 330032), (896, 288778), (1568, 165016), (1792, 144389), (3136, 82508), (6272, 41254), (12544, 20627)]