218699518

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 343504800

約数和(自身を除く): 124805282

約数列:

[1, 2, 53, 61, 106, 122, 149, 227, 298, 454, 3233, 6466, 7897, 9089, 12031, 13847, 15794, 18178, 24062, 27694, 33823, 67646, 481717, 733891, 963434, 1467782, 1792619, 2063203, 3585238, 4126406, 109349759, 218699518]

約数ペア:

[(1, 218699518), (2, 109349759), (53, 4126406), (61, 3585238), (106, 2063203), (122, 1792619), (149, 1467782), (227, 963434), (298, 733891), (454, 481717), (3233, 67646), (6466, 33823), (7897, 27694), (9089, 24062), (12031, 18178), (13847, 15794)]