1520778428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{210401}}^1$

素因数の和:210557

約数の個数: 24

約数和(自身を含む): 2886715440

約数和(自身を除く): 1365937012

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 210401, 420802, 841604, 2735213, 5470426, 10940852, 29245739, 58491478, 116982956, 380194607, 760389214, 1520778428]

約数ペア:

[(1, 1520778428), (2, 760389214), (4, 380194607), (13, 116982956), (26, 58491478), (52, 29245739), (139, 10940852), (278, 5470426), (556, 2735213), (1807, 841604), (3614, 420802), (7228, 210401)]