161707205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 218989440

約数和(自身を除く): 57282235

約数列:

[1, 5, 11, 37, 55, 185, 229, 347, 407, 1145, 1735, 2035, 2519, 3817, 8473, 12595, 12839, 19085, 42365, 64195, 79463, 93203, 141229, 397315, 466015, 706145, 874093, 2940131, 4370465, 14700655, 32341441, 161707205]

約数ペア:

[(1, 161707205), (5, 32341441), (11, 14700655), (37, 4370465), (55, 2940131), (185, 874093), (229, 706145), (347, 466015), (407, 397315), (1145, 141229), (1735, 93203), (2035, 79463), (2519, 64195), (3817, 42365), (8473, 19085), (12595, 12839)]