1285451728

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{663973}}^1$

素因数の和:664003

約数の個数: 30

約数和(自身を含む): 2737564802

約数和(自身を除く): 1452113074

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 663973, 1327946, 2655892, 5311784, 7303703, 10623568, 14607406, 29214812, 58429624, 80340733, 116859248, 160681466, 321362932, 642725864, 1285451728]

約数ペア:

[(1, 1285451728), (2, 642725864), (4, 321362932), (8, 160681466), (11, 116859248), (16, 80340733), (22, 58429624), (44, 29214812), (88, 14607406), (121, 10623568), (176, 7303703), (242, 5311784), (484, 2655892), (968, 1327946), (1936, 663973)]