78685365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1321}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 145060416

約数和(自身を除く): 66375051

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 361, 627, 1045, 1083, 1321, 1805, 3135, 3963, 3971, 5415, 6605, 11913, 14531, 19815, 19855, 25099, 43593, 59565, 72655, 75297, 125495, 217965, 276089, 376485, 476881, 828267, 1380445, 1430643, 2384405, 4141335, 5245691, 7153215, 15737073, 26228455, 78685365]

約数ペア:

[(1, 78685365), (3, 26228455), (5, 15737073), (11, 7153215), (15, 5245691), (19, 4141335), (33, 2384405), (55, 1430643), (57, 1380445), (95, 828267), (165, 476881), (209, 376485), (285, 276089), (361, 217965), (627, 125495), (1045, 75297), (1083, 72655), (1321, 59565), (1805, 43593), (3135, 25099), (3963, 19855), (3971, 19815), (5415, 14531), (6605, 11913)]