128307568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{471719}}^1$

素因数の和:471744

約数の個数: 20

約数和(自身を含む): 263219760

約数和(自身を除く): 134912192

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 471719, 943438, 1886876, 3773752, 7547504, 8019223, 16038446, 32076892, 64153784, 128307568]

約数ペア:

[(1, 128307568), (2, 64153784), (4, 32076892), (8, 16038446), (16, 8019223), (17, 7547504), (34, 3773752), (68, 1886876), (136, 943438), (272, 471719)]