205887268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^2$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 389638480

約数和(自身を除く): 183751212

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 251, 502, 817, 1004, 1634, 3268, 4769, 9538, 10793, 19076, 21586, 43172, 63001, 126002, 205067, 252004, 410134, 820268, 1197019, 2394038, 2709043, 4788076, 5418086, 10836172, 51471817, 102943634, 205887268]

約数ペア:

[(1, 205887268), (2, 102943634), (4, 51471817), (19, 10836172), (38, 5418086), (43, 4788076), (76, 2709043), (86, 2394038), (172, 1197019), (251, 820268), (502, 410134), (817, 252004), (1004, 205067), (1634, 126002), (3268, 63001), (4769, 43172), (9538, 21586), (10793, 19076)]