257024632

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 537477120

約数和(自身を除く): 280452488

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 127, 136, 184, 254, 391, 508, 647, 782, 1016, 1294, 1564, 2159, 2588, 2921, 3128, 4318, 5176, 5842, 8636, 10999, 11684, 14881, 17272, 21998, 23368, 29762, 43996, 49657, 59524, 82169, 87992, 99314, 119048, 164338, 198628, 252977, 328676, 397256, 505954, 657352, 1011908, 1396873, 1889887, 2023816, 2793746, 3779774, 5587492, 7559548, 11174984, 15119096, 32128079, 64256158, 128512316, 257024632]

約数ペア:

[(1, 257024632), (2, 128512316), (4, 64256158), (8, 32128079), (17, 15119096), (23, 11174984), (34, 7559548), (46, 5587492), (68, 3779774), (92, 2793746), (127, 2023816), (136, 1889887), (184, 1396873), (254, 1011908), (391, 657352), (508, 505954), (647, 397256), (782, 328676), (1016, 252977), (1294, 198628), (1564, 164338), (2159, 119048), (2588, 99314), (2921, 87992), (3128, 82169), (4318, 59524), (5176, 49657), (5842, 43996), (8636, 29762), (10999, 23368), (11684, 21998), (14881, 17272)]