30728936

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 68159520

約数和(自身を除く): 37430584

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 571, 868, 961, 1142, 1736, 1922, 2284, 3844, 3997, 4568, 6727, 7688, 7994, 13454, 15988, 17701, 26908, 31976, 35402, 53816, 70804, 123907, 141608, 247814, 495628, 548731, 991256, 1097462, 2194924, 3841117, 4389848, 7682234, 15364468, 30728936]

約数ペア:

[(1, 30728936), (2, 15364468), (4, 7682234), (7, 4389848), (8, 3841117), (14, 2194924), (28, 1097462), (31, 991256), (56, 548731), (62, 495628), (124, 247814), (217, 141608), (248, 123907), (434, 70804), (571, 53816), (868, 35402), (961, 31976), (1142, 26908), (1736, 17701), (1922, 15988), (2284, 13454), (3844, 7994), (3997, 7688), (4568, 6727)]