221660438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{14321}}^1$

素因数の和:14503

約数の個数: 16

約数和(自身を含む): 340290720

約数和(自身を除く): 118630282

約数列:

[1, 2, 71, 109, 142, 218, 7739, 14321, 15478, 28642, 1016791, 1560989, 2033582, 3121978, 110830219, 221660438]

約数ペア:

[(1, 221660438), (2, 110830219), (71, 3121978), (109, 2033582), (142, 1560989), (218, 1016791), (7739, 28642), (14321, 15478)]