209217383914

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{21157}}^1$

素因数の和:21743

約数の個数: 64

約数和(自身を含む): 394737189120

約数和(自身を除く): 185519805206

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 314, 409, 818, 1099, 1727, 2198, 2863, 3454, 4499, 5726, 8998, 12089, 21157, 24178, 31493, 42314, 62986, 64213, 128426, 148099, 232727, 296198, 449491, 465454, 706343, 898982, 1412686, 1629089, 3258178, 3321649, 4944401, 6643298, 8653213, 9888802, 17306426, 23251543, 36538139, 46503086, 60572491, 73076278, 95185343, 121144982, 190370686, 255766973, 511533946, 666297401, 1332594802, 1358554441, 2717108882, 9509881087, 14944098851, 19019762174, 29888197702, 104608691957, 209217383914]

約数ペア:

[(1, 209217383914), (2, 104608691957), (7, 29888197702), (11, 19019762174), (14, 14944098851), (22, 9509881087), (77, 2717108882), (154, 1358554441), (157, 1332594802), (314, 666297401), (409, 511533946), (818, 255766973), (1099, 190370686), (1727, 121144982), (2198, 95185343), (2863, 73076278), (3454, 60572491), (4499, 46503086), (5726, 36538139), (8998, 23251543), (12089, 17306426), (21157, 9888802), (24178, 8653213), (31493, 6643298), (42314, 4944401), (62986, 3321649), (64213, 3258178), (128426, 1629089), (148099, 1412686), (232727, 898982), (296198, 706343), (449491, 465454)]