16440137

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 20136960

約数和(自身を除く): 3696823

約数列:

[1, 7, 31, 49, 79, 137, 217, 553, 959, 1519, 2449, 3871, 4247, 6713, 10823, 17143, 29729, 75761, 120001, 208103, 335513, 530327, 2348591, 16440137]

約数ペア:

[(1, 16440137), (7, 2348591), (31, 530327), (49, 335513), (79, 208103), (137, 120001), (217, 75761), (553, 29729), (959, 17143), (1519, 10823), (2449, 6713), (3871, 4247)]