31401328

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1549}}^1$

素因数の和:1745

約数の個数: 40

約数和(自身を含む): 69960800

約数和(自身を除く): 38559472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 1267, 1448, 1549, 2534, 2896, 3098, 5068, 6196, 10136, 10843, 12392, 20272, 21686, 24784, 43372, 86744, 173488, 280369, 560738, 1121476, 1962583, 2242952, 3925166, 4485904, 7850332, 15700664, 31401328]

約数ペア:

[(1, 31401328), (2, 15700664), (4, 7850332), (7, 4485904), (8, 3925166), (14, 2242952), (16, 1962583), (28, 1121476), (56, 560738), (112, 280369), (181, 173488), (362, 86744), (724, 43372), (1267, 24784), (1448, 21686), (1549, 20272), (2534, 12392), (2896, 10843), (3098, 10136), (5068, 6196)]