25297448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 51948000

約数和(自身を除く): 26650552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 739, 778, 1478, 1556, 2956, 3112, 4279, 5912, 8129, 8558, 16258, 17116, 32516, 34232, 65032, 287471, 574942, 1149884, 2299768, 3162181, 6324362, 12648724, 25297448]

約数ペア:

[(1, 25297448), (2, 12648724), (4, 6324362), (8, 3162181), (11, 2299768), (22, 1149884), (44, 574942), (88, 287471), (389, 65032), (739, 34232), (778, 32516), (1478, 17116), (1556, 16258), (2956, 8558), (3112, 8129), (4279, 5912)]