2157130921808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7930628389}}^1$

素因数の和:7930628414

約数の個数: 20

約数和(自身を含む): 4425290641620

約数和(自身を除く): 2268159719812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7930628389, 15861256778, 31722513556, 63445027112, 126890054224, 134820682613, 269641365226, 539282730452, 1078565460904, 2157130921808]

約数ペア:

[(1, 2157130921808), (2, 1078565460904), (4, 539282730452), (8, 269641365226), (16, 134820682613), (17, 126890054224), (34, 63445027112), (68, 31722513556), (136, 15861256778), (272, 7930628389)]