664887664

素因数分解:

$2^4\times 7^3\times {\mathrm{97}}^1\times {\mathrm{1249}}^1$

素因数の和:1375

約数の個数: 80

約数和(自身を含む): 1519000000

約数和(自身を除く): 854112336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 97, 98, 112, 194, 196, 343, 388, 392, 679, 686, 776, 784, 1249, 1358, 1372, 1552, 2498, 2716, 2744, 4753, 4996, 5432, 5488, 8743, 9506, 9992, 10864, 17486, 19012, 19984, 33271, 34972, 38024, 61201, 66542, 69944, 76048, 121153, 122402, 133084, 139888, 242306, 244804, 266168, 428407, 484612, 489608, 532336, 848071, 856814, 969224, 979216, 1696142, 1713628, 1938448, 3392284, 3427256, 5936497, 6784568, 6854512, 11872994, 13569136, 23745988, 41555479, 47491976, 83110958, 94983952, 166221916, 332443832, 664887664]

約数ペア:

[(1, 664887664), (2, 332443832), (4, 166221916), (7, 94983952), (8, 83110958), (14, 47491976), (16, 41555479), (28, 23745988), (49, 13569136), (56, 11872994), (97, 6854512), (98, 6784568), (112, 5936497), (194, 3427256), (196, 3392284), (343, 1938448), (388, 1713628), (392, 1696142), (679, 979216), (686, 969224), (776, 856814), (784, 848071), (1249, 532336), (1358, 489608), (1372, 484612), (1552, 428407), (2498, 266168), (2716, 244804), (2744, 242306), (4753, 139888), (4996, 133084), (5432, 122402), (5488, 121153), (8743, 76048), (9506, 69944), (9992, 66542), (10864, 61201), (17486, 38024), (19012, 34972), (19984, 33271)]