219920068

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{3413}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 391449240

約数和(自身を除く): 171529172

約数列:

[1, 2, 4, 89, 178, 181, 356, 362, 724, 3413, 6826, 13652, 16109, 32218, 64436, 303757, 607514, 617753, 1215028, 1235506, 2471012, 54980017, 109960034, 219920068]

約数ペア:

[(1, 219920068), (2, 109960034), (4, 54980017), (89, 2471012), (178, 1235506), (181, 1215028), (356, 617753), (362, 607514), (724, 303757), (3413, 64436), (6826, 32218), (13652, 16109)]