25321218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4447}}^1$

素因数の和:4538

約数の個数: 32

約数和(自身を含む): 55297536

約数和(自身を除く): 29976318

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 4447, 5694, 8894, 13341, 26682, 57811, 115622, 173433, 324631, 346866, 649262, 973893, 1947786, 4220203, 8440406, 12660609, 25321218]

約数ペア:

[(1, 25321218), (2, 12660609), (3, 8440406), (6, 4220203), (13, 1947786), (26, 973893), (39, 649262), (73, 346866), (78, 324631), (146, 173433), (219, 115622), (438, 57811), (949, 26682), (1898, 13341), (2847, 8894), (4447, 5694)]