28391776

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:996

約数の個数: 72

約数和(自身を含む): 68516280

約数和(自身を除く): 40124504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 953, 1064, 1568, 1862, 1906, 2128, 3724, 3812, 4256, 6671, 7448, 7624, 13342, 14896, 15248, 18107, 26684, 29792, 30496, 36214, 46697, 53368, 72428, 93394, 106736, 126749, 144856, 186788, 213472, 253498, 289712, 373576, 506996, 579424, 747152, 887243, 1013992, 1494304, 1774486, 2027984, 3548972, 4055968, 7097944, 14195888, 28391776]

約数ペア:

[(1, 28391776), (2, 14195888), (4, 7097944), (7, 4055968), (8, 3548972), (14, 2027984), (16, 1774486), (19, 1494304), (28, 1013992), (32, 887243), (38, 747152), (49, 579424), (56, 506996), (76, 373576), (98, 289712), (112, 253498), (133, 213472), (152, 186788), (196, 144856), (224, 126749), (266, 106736), (304, 93394), (392, 72428), (532, 53368), (608, 46697), (784, 36214), (931, 30496), (953, 29792), (1064, 26684), (1568, 18107), (1862, 15248), (1906, 14896), (2128, 13342), (3724, 7624), (3812, 7448), (4256, 6671)]