128617648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{472859}}^1$

素因数の和:472884

約数の個数: 20

約数和(自身を含む): 263855880

約数和(自身を除く): 135238232

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 472859, 945718, 1891436, 3782872, 7565744, 8038603, 16077206, 32154412, 64308824, 128617648]

約数ペア:

[(1, 128617648), (2, 64308824), (4, 32154412), (8, 16077206), (16, 8038603), (17, 7565744), (34, 3782872), (68, 1891436), (136, 945718), (272, 472859)]