389639992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11813}}^1$

素因数の和:11876

約数の個数: 64

約数和(自身を含む): 907315200

約数和(自身を除く): 517675208

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 4123, 4712, 8246, 11813, 16492, 23626, 32984, 47252, 82691, 94504, 165382, 224447, 330764, 366203, 448894, 661528, 732406, 897788, 1464812, 1571129, 1795576, 2563421, 2929624, 3142258, 5126842, 6284516, 6957857, 10253684, 12569032, 13915714, 20507368, 27831428, 48704999, 55662856, 97409998, 194819996, 389639992]

約数ペア:

[(1, 389639992), (2, 194819996), (4, 97409998), (7, 55662856), (8, 48704999), (14, 27831428), (19, 20507368), (28, 13915714), (31, 12569032), (38, 10253684), (56, 6957857), (62, 6284516), (76, 5126842), (124, 3142258), (133, 2929624), (152, 2563421), (217, 1795576), (248, 1571129), (266, 1464812), (434, 897788), (532, 732406), (589, 661528), (868, 448894), (1064, 366203), (1178, 330764), (1736, 224447), (2356, 165382), (4123, 94504), (4712, 82691), (8246, 47252), (11813, 32984), (16492, 23626)]