128951172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511711}}^1$

素因数の和:511728

約数の個数: 36

約数和(自身を含む): 372526336

約数和(自身を除く): 243575164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511711, 1023422, 1535133, 2046844, 3070266, 3581977, 4605399, 6140532, 7163954, 9210798, 10745931, 14327908, 18421596, 21491862, 32237793, 42983724, 64475586, 128951172]

約数ペア:

[(1, 128951172), (2, 64475586), (3, 42983724), (4, 32237793), (6, 21491862), (7, 18421596), (9, 14327908), (12, 10745931), (14, 9210798), (18, 7163954), (21, 6140532), (28, 4605399), (36, 3581977), (42, 3070266), (63, 2046844), (84, 1535133), (126, 1023422), (252, 511711)]