856399395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{941}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 1504065024

約数和(自身を除く): 647665629

約数列:

[1, 3, 5, 15, 17, 43, 51, 83, 85, 129, 215, 249, 255, 415, 645, 731, 941, 1245, 1411, 2193, 2823, 3569, 3655, 4233, 4705, 7055, 10707, 10965, 14115, 15997, 17845, 21165, 40463, 47991, 53535, 60673, 78103, 79985, 121389, 182019, 202315, 234309, 239955, 303365, 390515, 606945, 687871, 910095, 1171545, 1327751, 2063613, 3358429, 3439355, 3983253, 6638755, 10075287, 10318065, 16792145, 19916265, 50376435, 57093293, 171279879, 285466465, 856399395]

約数ペア:

[(1, 856399395), (3, 285466465), (5, 171279879), (15, 57093293), (17, 50376435), (43, 19916265), (51, 16792145), (83, 10318065), (85, 10075287), (129, 6638755), (215, 3983253), (249, 3439355), (255, 3358429), (415, 2063613), (645, 1327751), (731, 1171545), (941, 910095), (1245, 687871), (1411, 606945), (2193, 390515), (2823, 303365), (3569, 239955), (3655, 234309), (4233, 202315), (4705, 182019), (7055, 121389), (10707, 79985), (10965, 78103), (14115, 60673), (15997, 53535), (17845, 47991), (21165, 40463)]