128520784

素因数分解:

$2^4\times 7^1\times {\mathrm{1147507}}^1$

素因数の和:1147522

約数の個数: 20

約数和(自身を含む): 284581984

約数和(自身を除く): 156061200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1147507, 2295014, 4590028, 8032549, 9180056, 16065098, 18360112, 32130196, 64260392, 128520784]

約数ペア:

[(1, 128520784), (2, 64260392), (4, 32130196), (7, 18360112), (8, 16065098), (14, 9180056), (16, 8032549), (28, 4590028), (56, 2295014), (112, 1147507)]