12780274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 22296960

約数和(自身を除く): 9516686

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 631, 779, 1066, 1262, 1558, 8203, 10127, 11989, 16406, 20254, 23978, 25871, 51742, 155857, 311714, 336323, 491549, 672646, 983098, 6390137, 12780274]

約数ペア:

[(1, 12780274), (2, 6390137), (13, 983098), (19, 672646), (26, 491549), (38, 336323), (41, 311714), (82, 155857), (247, 51742), (494, 25871), (533, 23978), (631, 20254), (779, 16406), (1066, 11989), (1262, 10127), (1558, 8203)]