2778009088

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:667

約数の個数: 80

約数和(自身を含む): 5667583680

約数和(自身を除く): 2889574592

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 173, 256, 316, 346, 397, 512, 632, 692, 794, 1264, 1384, 1588, 2528, 2768, 3176, 5056, 5536, 6352, 10112, 11072, 12704, 13667, 20224, 22144, 25408, 27334, 31363, 40448, 44288, 50816, 54668, 62726, 68681, 88576, 101632, 109336, 125452, 137362, 203264, 218672, 250904, 274724, 437344, 501808, 549448, 874688, 1003616, 1098896, 1749376, 2007232, 2197792, 3498752, 4014464, 4395584, 5425799, 6997504, 8028928, 8791168, 10851598, 16057856, 17582336, 21703196, 35164672, 43406392, 86812784, 173625568, 347251136, 694502272, 1389004544, 2778009088]

約数ペア:

[(1, 2778009088), (2, 1389004544), (4, 694502272), (8, 347251136), (16, 173625568), (32, 86812784), (64, 43406392), (79, 35164672), (128, 21703196), (158, 17582336), (173, 16057856), (256, 10851598), (316, 8791168), (346, 8028928), (397, 6997504), (512, 5425799), (632, 4395584), (692, 4014464), (794, 3498752), (1264, 2197792), (1384, 2007232), (1588, 1749376), (2528, 1098896), (2768, 1003616), (3176, 874688), (5056, 549448), (5536, 501808), (6352, 437344), (10112, 274724), (11072, 250904), (12704, 218672), (13667, 203264), (20224, 137362), (22144, 125452), (25408, 109336), (27334, 101632), (31363, 88576), (40448, 68681), (44288, 62726), (50816, 54668)]