128253712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{471521}}^1$

素因数の和:471546

約数の個数: 20

約数和(自身を含む): 263109276

約数和(自身を除く): 134855564

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 471521, 943042, 1886084, 3772168, 7544336, 8015857, 16031714, 32063428, 64126856, 128253712]

約数ペア:

[(1, 128253712), (2, 64126856), (4, 32063428), (8, 16031714), (16, 8015857), (17, 7544336), (34, 3772168), (68, 1886084), (136, 943042), (272, 471521)]