81359772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521537}}^1$

素因数の和:521557

約数の個数: 24

約数和(自身を含む): 204442896

約数和(自身を除く): 123083124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521537, 1043074, 1564611, 2086148, 3129222, 6258444, 6779981, 13559962, 20339943, 27119924, 40679886, 81359772]

約数ペア:

[(1, 81359772), (2, 40679886), (3, 27119924), (4, 20339943), (6, 13559962), (12, 6779981), (13, 6258444), (26, 3129222), (39, 2086148), (52, 1564611), (78, 1043074), (156, 521537)]