257625088

素因数分解:

$2^{10}\times 7^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:437

約数の個数: 88

約数和(自身を含む): 595300352

約数和(自身を除く): 337675264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 283, 448, 508, 512, 566, 889, 896, 1016, 1024, 1132, 1778, 1792, 1981, 2032, 2264, 3556, 3584, 3962, 4064, 4528, 7112, 7168, 7924, 8128, 9056, 14224, 15848, 16256, 18112, 28448, 31696, 32512, 35941, 36224, 56896, 63392, 65024, 71882, 72448, 113792, 126784, 130048, 143764, 144896, 227584, 251587, 253568, 287528, 289792, 455168, 503174, 507136, 575056, 910336, 1006348, 1014272, 1150112, 2012696, 2028544, 2300224, 4025392, 4600448, 8050784, 9200896, 16101568, 18401792, 32203136, 36803584, 64406272, 128812544, 257625088]

約数ペア:

[(1, 257625088), (2, 128812544), (4, 64406272), (7, 36803584), (8, 32203136), (14, 18401792), (16, 16101568), (28, 9200896), (32, 8050784), (56, 4600448), (64, 4025392), (112, 2300224), (127, 2028544), (128, 2012696), (224, 1150112), (254, 1014272), (256, 1006348), (283, 910336), (448, 575056), (508, 507136), (512, 503174), (566, 455168), (889, 289792), (896, 287528), (1016, 253568), (1024, 251587), (1132, 227584), (1778, 144896), (1792, 143764), (1981, 130048), (2032, 126784), (2264, 113792), (3556, 72448), (3584, 71882), (3962, 65024), (4064, 63392), (4528, 56896), (7112, 36224), (7168, 35941), (7924, 32512), (8128, 31696), (9056, 28448), (14224, 18112), (15848, 16256)]