2981272

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 6451200

約数和(自身を除く): 3469928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 383, 556, 766, 973, 1112, 1532, 1946, 2681, 3064, 3892, 5362, 7784, 10724, 21448, 53237, 106474, 212948, 372659, 425896, 745318, 1490636, 2981272]

約数ペア:

[(1, 2981272), (2, 1490636), (4, 745318), (7, 425896), (8, 372659), (14, 212948), (28, 106474), (56, 53237), (139, 21448), (278, 10724), (383, 7784), (556, 5362), (766, 3892), (973, 3064), (1112, 2681), (1532, 1946)]