16978577

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9587}}^1$

素因数の和:9628

約数の個数: 16

約数和(自身を含む): 22090752

約数和(自身を除く): 5112175

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 9587, 67109, 105457, 220501, 738199, 1543507, 2425511, 16978577]

約数ペア:

[(1, 16978577), (7, 2425511), (11, 1543507), (23, 738199), (77, 220501), (161, 105457), (253, 67109), (1771, 9587)]