206791585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 338042880

約数和(自身を除く): 131251295

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 79, 91, 143, 385, 395, 455, 523, 553, 715, 869, 1001, 1027, 2615, 2765, 3661, 4345, 5005, 5135, 5753, 6083, 6799, 7189, 11297, 18305, 28765, 30415, 33995, 35945, 40271, 41317, 47593, 56485, 74789, 79079, 201355, 206585, 237965, 289219, 373945, 395395, 454487, 523523, 537121, 1446095, 2272435, 2617615, 2685605, 3181409, 3759847, 5908331, 15907045, 18799235, 29541655, 41358317, 206791585]

約数ペア:

[(1, 206791585), (5, 41358317), (7, 29541655), (11, 18799235), (13, 15907045), (35, 5908331), (55, 3759847), (65, 3181409), (77, 2685605), (79, 2617615), (91, 2272435), (143, 1446095), (385, 537121), (395, 523523), (455, 454487), (523, 395395), (553, 373945), (715, 289219), (869, 237965), (1001, 206585), (1027, 201355), (2615, 79079), (2765, 74789), (3661, 56485), (4345, 47593), (5005, 41317), (5135, 40271), (5753, 35945), (6083, 33995), (6799, 30415), (7189, 28765), (11297, 18305)]