389581918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{829}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 655089120

約数和(自身を除く): 265507202

約数列:

[1, 2, 11, 22, 41, 82, 451, 521, 829, 902, 1042, 1658, 5731, 9119, 11462, 18238, 21361, 33989, 42722, 67978, 234971, 373879, 431909, 469942, 747758, 863818, 4750999, 9501998, 17708269, 35416538, 194790959, 389581918]

約数ペア:

[(1, 389581918), (2, 194790959), (11, 35416538), (22, 17708269), (41, 9501998), (82, 4750999), (451, 863818), (521, 747758), (829, 469942), (902, 431909), (1042, 373879), (1658, 234971), (5731, 67978), (9119, 42722), (11462, 33989), (18238, 21361)]