66780918

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 147603456

約数和(自身を除く): 80822538

約数列:

[1, 2, 3, 6, 9, 18, 127, 131, 223, 254, 262, 381, 393, 446, 669, 762, 786, 1143, 1179, 1338, 2007, 2286, 2358, 4014, 16637, 28321, 29213, 33274, 49911, 56642, 58426, 84963, 87639, 99822, 149733, 169926, 175278, 254889, 262917, 299466, 509778, 525834, 3710051, 7420102, 11130153, 22260306, 33390459, 66780918]

約数ペア:

[(1, 66780918), (2, 33390459), (3, 22260306), (6, 11130153), (9, 7420102), (18, 3710051), (127, 525834), (131, 509778), (223, 299466), (254, 262917), (262, 254889), (381, 175278), (393, 169926), (446, 149733), (669, 99822), (762, 87639), (786, 84963), (1143, 58426), (1179, 56642), (1338, 49911), (2007, 33274), (2286, 29213), (2358, 28321), (4014, 16637)]