656211472

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 1507078144

約数和(自身を除く): 850866672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 331, 434, 496, 571, 662, 868, 1142, 1324, 1736, 2284, 2317, 2648, 3472, 3997, 4568, 4634, 5296, 7994, 9136, 9268, 10261, 15988, 17701, 18536, 20522, 31976, 35402, 37072, 41044, 63952, 70804, 71827, 82088, 123907, 141608, 143654, 164176, 189001, 247814, 283216, 287308, 378002, 495628, 574616, 756004, 991256, 1149232, 1323007, 1512008, 1982512, 2646014, 3024016, 5292028, 5859031, 10584056, 11718062, 21168112, 23436124, 41013217, 46872248, 82026434, 93744496, 164052868, 328105736, 656211472]

約数ペア:

[(1, 656211472), (2, 328105736), (4, 164052868), (7, 93744496), (8, 82026434), (14, 46872248), (16, 41013217), (28, 23436124), (31, 21168112), (56, 11718062), (62, 10584056), (112, 5859031), (124, 5292028), (217, 3024016), (248, 2646014), (331, 1982512), (434, 1512008), (496, 1323007), (571, 1149232), (662, 991256), (868, 756004), (1142, 574616), (1324, 495628), (1736, 378002), (2284, 287308), (2317, 283216), (2648, 247814), (3472, 189001), (3997, 164176), (4568, 143654), (4634, 141608), (5296, 123907), (7994, 82088), (9136, 71827), (9268, 70804), (10261, 63952), (15988, 41044), (17701, 37072), (18536, 35402), (20522, 31976)]