257480048

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74159}}^1$

素因数の和:74205

約数の個数: 40

約数和(自身を含む): 588533760

約数和(自身を除く): 331053712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 74159, 148318, 296636, 519113, 593272, 1038226, 1186544, 2076452, 2298929, 4152904, 4597858, 8305808, 9195716, 16092503, 18391432, 32185006, 36782864, 64370012, 128740024, 257480048]

約数ペア:

[(1, 257480048), (2, 128740024), (4, 64370012), (7, 36782864), (8, 32185006), (14, 18391432), (16, 16092503), (28, 9195716), (31, 8305808), (56, 4597858), (62, 4152904), (112, 2298929), (124, 2076452), (217, 1186544), (248, 1038226), (434, 593272), (496, 519113), (868, 296636), (1736, 148318), (3472, 74159)]