219715076

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{56453}}^1$

素因数の和:56603

約数の個数: 24

約数和(自身を含む): 442599360

約数和(自身を除く): 222884284

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 56453, 112906, 225812, 395171, 790342, 1580684, 7846967, 15693934, 31387868, 54928769, 109857538, 219715076]

約数ペア:

[(1, 219715076), (2, 109857538), (4, 54928769), (7, 31387868), (14, 15693934), (28, 7846967), (139, 1580684), (278, 790342), (556, 395171), (973, 225812), (1946, 112906), (3892, 56453)]