217468458

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{280967}}^1$

素因数の和:281018

約数の個数: 24

約数和(自身を含む): 482141088

約数和(自身を除く): 264672630

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 280967, 561934, 842901, 1685802, 2528703, 5057406, 12081581, 24163162, 36244743, 72489486, 108734229, 217468458]

約数ペア:

[(1, 217468458), (2, 108734229), (3, 72489486), (6, 36244743), (9, 24163162), (18, 12081581), (43, 5057406), (86, 2528703), (129, 1685802), (258, 842901), (387, 561934), (774, 280967)]