128416904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{208469}}^1$

素因数の和:208493

約数の個数: 32

約数和(自身を含む): 300196800

約数和(自身を除く): 171779896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 208469, 416938, 833876, 1459283, 1667752, 2293159, 2918566, 4586318, 5837132, 9172636, 11674264, 16052113, 18345272, 32104226, 64208452, 128416904]

約数ペア:

[(1, 128416904), (2, 64208452), (4, 32104226), (7, 18345272), (8, 16052113), (11, 11674264), (14, 9172636), (22, 5837132), (28, 4586318), (44, 2918566), (56, 2293159), (77, 1667752), (88, 1459283), (154, 833876), (308, 416938), (616, 208469)]