31740191

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 39580800

約数和(自身を除く): 7840609

約数列:

[1, 7, 37, 41, 49, 61, 259, 287, 343, 427, 1517, 1813, 2009, 2257, 2501, 2989, 10619, 12691, 14063, 15799, 17507, 20923, 74333, 92537, 110593, 122549, 520331, 647759, 774151, 857843, 4534313, 31740191]

約数ペア:

[(1, 31740191), (7, 4534313), (37, 857843), (41, 774151), (49, 647759), (61, 520331), (259, 122549), (287, 110593), (343, 92537), (427, 74333), (1517, 20923), (1813, 17507), (2009, 15799), (2257, 14063), (2501, 12691), (2989, 10619)]