28138684

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23371}}^1$

素因数の和:23425

約数の個数: 24

約数和(自身を含む): 57588608

約数和(自身を除く): 29449924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 23371, 46742, 93484, 163597, 327194, 654388, 1004953, 2009906, 4019812, 7034671, 14069342, 28138684]

約数ペア:

[(1, 28138684), (2, 14069342), (4, 7034671), (7, 4019812), (14, 2009906), (28, 1004953), (43, 654388), (86, 327194), (172, 163597), (301, 93484), (602, 46742), (1204, 23371)]