78415168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{307}}^2$

素因数の和:639

約数の個数: 42

約数和(自身を含む): 168122346

約数和(自身を除く): 89707178

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 307, 416, 614, 832, 1228, 2456, 3991, 4912, 7982, 9824, 15964, 19648, 31928, 63856, 94249, 127712, 188498, 255424, 376996, 753992, 1225237, 1507984, 2450474, 3015968, 4900948, 6031936, 9801896, 19603792, 39207584, 78415168]

約数ペア:

[(1, 78415168), (2, 39207584), (4, 19603792), (8, 9801896), (13, 6031936), (16, 4900948), (26, 3015968), (32, 2450474), (52, 1507984), (64, 1225237), (104, 753992), (208, 376996), (307, 255424), (416, 188498), (614, 127712), (832, 94249), (1228, 63856), (2456, 31928), (3991, 19648), (4912, 15964), (7982, 9824)]