661007906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{677}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 1156865976

約数和(自身を除く): 495858070

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 677, 799, 1222, 1354, 1598, 2209, 4418, 8801, 10387, 11509, 17602, 20774, 23018, 28717, 31819, 37553, 57434, 63638, 75106, 149617, 299234, 413647, 488189, 540923, 827294, 976378, 1081846, 1495493, 2990986, 7031999, 14063998, 19441409, 25423381, 38882818, 50846762, 330503953, 661007906]

約数ペア:

[(1, 661007906), (2, 330503953), (13, 50846762), (17, 38882818), (26, 25423381), (34, 19441409), (47, 14063998), (94, 7031999), (221, 2990986), (442, 1495493), (611, 1081846), (677, 976378), (799, 827294), (1222, 540923), (1354, 488189), (1598, 413647), (2209, 299234), (4418, 149617), (8801, 75106), (10387, 63638), (11509, 57434), (17602, 37553), (20774, 31819), (23018, 28717)]