1213777770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{940913}}^1$

素因数の和:940966

約数の個数: 32

約数和(自身を含む): 2980815552

約数和(自身を除く): 1767037782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 940913, 1881826, 2822739, 4704565, 5645478, 9409130, 14113695, 28227390, 40459259, 80918518, 121377777, 202296295, 242755554, 404592590, 606888885, 1213777770]

約数ペア:

[(1, 1213777770), (2, 606888885), (3, 404592590), (5, 242755554), (6, 202296295), (10, 121377777), (15, 80918518), (30, 40459259), (43, 28227390), (86, 14113695), (129, 9409130), (215, 5645478), (258, 4704565), (430, 2822739), (645, 1881826), (1290, 940913)]