128056784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15187}}^1$

素因数の和:15243

約数の個数: 40

約数和(自身を含む): 271196928

約数和(自身を除く): 143140144

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 15187, 30374, 60748, 121496, 242992, 258179, 470797, 516358, 941594, 1032716, 1883188, 2065432, 3766376, 4130864, 7532752, 8003549, 16007098, 32014196, 64028392, 128056784]

約数ペア:

[(1, 128056784), (2, 64028392), (4, 32014196), (8, 16007098), (16, 8003549), (17, 7532752), (31, 4130864), (34, 3766376), (62, 2065432), (68, 1883188), (124, 1032716), (136, 941594), (248, 516358), (272, 470797), (496, 258179), (527, 242992), (1054, 121496), (2108, 60748), (4216, 30374), (8432, 15187)]