191209984

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1777

約数の個数: 80

約数和(自身を含む): 450971136

約数和(自身を除く): 259761152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1721, 1736, 1792, 1984, 3442, 3472, 3584, 3968, 6884, 6944, 7936, 12047, 13768, 13888, 15872, 24094, 27536, 27776, 48188, 53351, 55072, 55552, 96376, 106702, 110144, 111104, 192752, 213404, 220288, 373457, 385504, 426808, 440576, 746914, 771008, 853616, 881152, 1493828, 1542016, 1707232, 2987656, 3084032, 3414464, 5975312, 6168064, 6828928, 11950624, 13657856, 23901248, 27315712, 47802496, 95604992, 191209984]

約数ペア:

[(1, 191209984), (2, 95604992), (4, 47802496), (7, 27315712), (8, 23901248), (14, 13657856), (16, 11950624), (28, 6828928), (31, 6168064), (32, 5975312), (56, 3414464), (62, 3084032), (64, 2987656), (112, 1707232), (124, 1542016), (128, 1493828), (217, 881152), (224, 853616), (248, 771008), (256, 746914), (434, 440576), (448, 426808), (496, 385504), (512, 373457), (868, 220288), (896, 213404), (992, 192752), (1721, 111104), (1736, 110144), (1792, 106702), (1984, 96376), (3442, 55552), (3472, 55072), (3584, 53351), (3968, 48188), (6884, 27776), (6944, 27536), (7936, 24094), (12047, 15872), (13768, 13888)]