261643512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{838601}}^1$

素因数の和:838623

約数の個数: 32

約数和(自身を含む): 704425680

約数和(自身を除く): 442782168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 838601, 1677202, 2515803, 3354404, 5031606, 6708808, 10063212, 10901813, 20126424, 21803626, 32705439, 43607252, 65410878, 87214504, 130821756, 261643512]

約数ペア:

[(1, 261643512), (2, 130821756), (3, 87214504), (4, 65410878), (6, 43607252), (8, 32705439), (12, 21803626), (13, 20126424), (24, 10901813), (26, 10063212), (39, 6708808), (52, 5031606), (78, 3354404), (104, 2515803), (156, 1677202), (312, 838601)]