644019544

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 1488384000

約数和(自身を除く): 844364456

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 67, 98, 113, 124, 134, 196, 217, 226, 248, 268, 343, 392, 434, 452, 469, 536, 686, 791, 868, 904, 938, 1372, 1519, 1582, 1736, 1876, 2077, 2744, 3038, 3164, 3283, 3503, 3752, 4154, 5537, 6076, 6328, 6566, 7006, 7571, 8308, 10633, 11074, 12152, 13132, 14012, 14539, 15142, 16616, 21266, 22148, 22981, 24521, 26264, 28024, 29078, 30284, 38759, 42532, 44296, 45962, 49042, 52997, 58156, 60568, 77518, 85064, 91924, 98084, 101773, 105994, 116312, 155036, 171647, 183848, 196168, 203546, 211988, 234701, 310072, 343294, 370979, 407092, 423976, 469402, 686588, 712411, 741958, 814184, 938804, 1201529, 1373176, 1424822, 1483916, 1642907, 1877608, 2403058, 2596853, 2849644, 2967832, 3285814, 4806116, 5193706, 5699288, 6571628, 9612232, 10387412, 11500349, 13143256, 20774824, 23000698, 46001396, 80502443, 92002792, 161004886, 322009772, 644019544]

約数ペア:

[(1, 644019544), (2, 322009772), (4, 161004886), (7, 92002792), (8, 80502443), (14, 46001396), (28, 23000698), (31, 20774824), (49, 13143256), (56, 11500349), (62, 10387412), (67, 9612232), (98, 6571628), (113, 5699288), (124, 5193706), (134, 4806116), (196, 3285814), (217, 2967832), (226, 2849644), (248, 2596853), (268, 2403058), (343, 1877608), (392, 1642907), (434, 1483916), (452, 1424822), (469, 1373176), (536, 1201529), (686, 938804), (791, 814184), (868, 741958), (904, 712411), (938, 686588), (1372, 469402), (1519, 423976), (1582, 407092), (1736, 370979), (1876, 343294), (2077, 310072), (2744, 234701), (3038, 211988), (3164, 203546), (3283, 196168), (3503, 183848), (3752, 171647), (4154, 155036), (5537, 116312), (6076, 105994), (6328, 101773), (6566, 98084), (7006, 91924), (7571, 85064), (8308, 77518), (10633, 60568), (11074, 58156), (12152, 52997), (13132, 49042), (14012, 45962), (14539, 44296), (15142, 42532), (16616, 38759), (21266, 30284), (22148, 29078), (22981, 28024), (24521, 26264)]