215102552

素因数分解:

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

素因数の和:653

約数の個数: 72

約数和(自身を含む): 485636580

約数和(自身を除く): 270534028

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 571, 868, 961, 1142, 1519, 1736, 1922, 2284, 3038, 3844, 3997, 4568, 6076, 6727, 7688, 7994, 12152, 13454, 15988, 17701, 26908, 27979, 31976, 35402, 47089, 53816, 55958, 70804, 94178, 111916, 123907, 141608, 188356, 223832, 247814, 376712, 495628, 548731, 867349, 991256, 1097462, 1734698, 2194924, 3469396, 3841117, 4389848, 6938792, 7682234, 15364468, 26887819, 30728936, 53775638, 107551276, 215102552]

約数ペア:

[(1, 215102552), (2, 107551276), (4, 53775638), (7, 30728936), (8, 26887819), (14, 15364468), (28, 7682234), (31, 6938792), (49, 4389848), (56, 3841117), (62, 3469396), (98, 2194924), (124, 1734698), (196, 1097462), (217, 991256), (248, 867349), (392, 548731), (434, 495628), (571, 376712), (868, 247814), (961, 223832), (1142, 188356), (1519, 141608), (1736, 123907), (1922, 111916), (2284, 94178), (3038, 70804), (3844, 55958), (3997, 53816), (4568, 47089), (6076, 35402), (6727, 31976), (7688, 27979), (7994, 26908), (12152, 17701), (13454, 15988)]