257424496

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74143}}^1$

素因数の和:74189

約数の個数: 40

約数和(自身を含む): 588406784

約数和(自身を除く): 330982288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 74143, 148286, 296572, 519001, 593144, 1038002, 1186288, 2076004, 2298433, 4152008, 4596866, 8304016, 9193732, 16089031, 18387464, 32178062, 36774928, 64356124, 128712248, 257424496]

約数ペア:

[(1, 257424496), (2, 128712248), (4, 64356124), (7, 36774928), (8, 32178062), (14, 18387464), (16, 16089031), (28, 9193732), (31, 8304016), (56, 4596866), (62, 4152008), (112, 2298433), (124, 2076004), (217, 1186288), (248, 1038002), (434, 593144), (496, 519001), (868, 296572), (1736, 148286), (3472, 74143)]