217664862

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{243473}}^1$

素因数の和:243627

約数の個数: 16

約数和(自身を含む): 438253200

約数和(自身を除く): 220588338

約数列:

[1, 2, 3, 6, 149, 298, 447, 894, 243473, 486946, 730419, 1460838, 36277477, 72554954, 108832431, 217664862]

約数ペア:

[(1, 217664862), (2, 108832431), (3, 72554954), (6, 36277477), (149, 1460838), (298, 730419), (447, 486946), (894, 243473)]