209865712

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{23719}}^1$

素因数の和:23813

約数の個数: 40

約数和(自身を含む): 470604800

約数和(自身を除く): 260739088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 23719, 47438, 94876, 166033, 189752, 332066, 379504, 664132, 1328264, 1873801, 2656528, 3747602, 7495204, 13116607, 14990408, 26233214, 29980816, 52466428, 104932856, 209865712]

約数ペア:

[(1, 209865712), (2, 104932856), (4, 52466428), (7, 29980816), (8, 26233214), (14, 14990408), (16, 13116607), (28, 7495204), (56, 3747602), (79, 2656528), (112, 1873801), (158, 1328264), (316, 664132), (553, 379504), (632, 332066), (1106, 189752), (1264, 166033), (2212, 94876), (4424, 47438), (8848, 23719)]