1387904

素因数分解:

$2^7\times 7^1\times {\mathrm{1549}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 3162000

約数和(自身を除く): 1774096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 1549, 3098, 6196, 10843, 12392, 21686, 24784, 43372, 49568, 86744, 99136, 173488, 198272, 346976, 693952, 1387904]

約数ペア:

[(1, 1387904), (2, 693952), (4, 346976), (7, 198272), (8, 173488), (14, 99136), (16, 86744), (28, 49568), (32, 43372), (56, 24784), (64, 21686), (112, 12392), (128, 10843), (224, 6196), (448, 3098), (896, 1549)]