128877256

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{41413}}^1$

素因数の和:41808

約数の個数: 16

約数和(自身を含む): 242271900

約数和(自身を除く): 113394644

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 41413, 82826, 165652, 331304, 16109657, 32219314, 64438628, 128877256]

約数ペア:

[(1, 128877256), (2, 64438628), (4, 32219314), (8, 16109657), (389, 331304), (778, 165652), (1556, 82826), (3112, 41413)]