28840448

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 80

約数和(自身を含む): 71037120

約数和(自身を除く): 42196672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 619, 728, 832, 896, 1238, 1456, 1664, 1792, 2476, 2912, 3328, 3584, 4333, 4952, 5824, 6656, 8047, 8666, 9904, 11648, 16094, 17332, 19808, 23296, 32188, 34664, 39616, 46592, 56329, 64376, 69328, 79232, 112658, 128752, 138656, 158464, 225316, 257504, 277312, 316928, 450632, 515008, 554624, 901264, 1030016, 1109248, 1802528, 2060032, 2218496, 3605056, 4120064, 7210112, 14420224, 28840448]

約数ペア:

[(1, 28840448), (2, 14420224), (4, 7210112), (7, 4120064), (8, 3605056), (13, 2218496), (14, 2060032), (16, 1802528), (26, 1109248), (28, 1030016), (32, 901264), (52, 554624), (56, 515008), (64, 450632), (91, 316928), (104, 277312), (112, 257504), (128, 225316), (182, 158464), (208, 138656), (224, 128752), (256, 112658), (364, 79232), (416, 69328), (448, 64376), (512, 56329), (619, 46592), (728, 39616), (832, 34664), (896, 32188), (1238, 23296), (1456, 19808), (1664, 17332), (1792, 16094), (2476, 11648), (2912, 9904), (3328, 8666), (3584, 8047), (4333, 6656), (4952, 5824)]