131171728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{4507}}^1$

素因数の和:4639

約数の個数: 40

約数和(自身を含む): 271670112

約数和(自身を除く): 140498384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 3638, 4507, 7276, 9014, 14552, 18028, 29104, 36056, 72112, 76619, 153238, 306476, 482249, 612952, 964498, 1225904, 1928996, 3857992, 7715984, 8198233, 16396466, 32792932, 65585864, 131171728]

約数ペア:

[(1, 131171728), (2, 65585864), (4, 32792932), (8, 16396466), (16, 8198233), (17, 7715984), (34, 3857992), (68, 1928996), (107, 1225904), (136, 964498), (214, 612952), (272, 482249), (428, 306476), (856, 153238), (1712, 76619), (1819, 72112), (3638, 36056), (4507, 29104), (7276, 18028), (9014, 14552)]