31898889254

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{12451}}^1$

素因数の和:12968

約数の個数: 32

約数和(自身を含む): 49825432800

約数和(自身を除く): 17926543546

約数列:

[1, 2, 37, 74, 89, 178, 389, 778, 3293, 6586, 12451, 14393, 24902, 28786, 34621, 69242, 460687, 921374, 1108139, 1280977, 2216278, 2561954, 4843439, 9686878, 41001143, 82002286, 179207243, 358414486, 431066071, 862132142, 15949444627, 31898889254]

約数ペア:

[(1, 31898889254), (2, 15949444627), (37, 862132142), (74, 431066071), (89, 358414486), (178, 179207243), (389, 82002286), (778, 41001143), (3293, 9686878), (6586, 4843439), (12451, 2561954), (14393, 2216278), (24902, 1280977), (28786, 1108139), (34621, 921374), (69242, 460687)]