165204208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25621}}^1$

素因数の和:25673

約数の個数: 40

約数和(自身を含む): 355838336

約数和(自身を除く): 190634128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 25621, 51242, 102484, 204968, 333073, 409936, 666146, 794251, 1332292, 1588502, 2664584, 3177004, 5329168, 6354008, 10325263, 12708016, 20650526, 41301052, 82602104, 165204208]

約数ペア:

[(1, 165204208), (2, 82602104), (4, 41301052), (8, 20650526), (13, 12708016), (16, 10325263), (26, 6354008), (31, 5329168), (52, 3177004), (62, 2664584), (104, 1588502), (124, 1332292), (208, 794251), (248, 666146), (403, 409936), (496, 333073), (806, 204968), (1612, 102484), (3224, 51242), (6448, 25621)]