217897770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{168913}}^1$

素因数の和:168966

約数の個数: 32

約数和(自身を含む): 535119552

約数和(自身を除く): 317221782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 168913, 337826, 506739, 844565, 1013478, 1689130, 2533695, 5067390, 7263259, 14526518, 21789777, 36316295, 43579554, 72632590, 108948885, 217897770]

約数ペア:

[(1, 217897770), (2, 108948885), (3, 72632590), (5, 43579554), (6, 36316295), (10, 21789777), (15, 14526518), (30, 7263259), (43, 5067390), (86, 2533695), (129, 1689130), (215, 1013478), (258, 844565), (430, 506739), (645, 337826), (1290, 168913)]