81657876688

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1153}}^1\times {\mathrm{40609}}^1$

素因数の和:41879

約数の個数: 40

約数和(自身を含む): 159806035400

約数和(自身を除く): 78148158712

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1153, 1744, 2306, 4612, 9224, 18448, 40609, 81218, 125677, 162436, 251354, 324872, 502708, 649744, 1005416, 2010832, 4426381, 8852762, 17705524, 35411048, 46822177, 70822096, 93644354, 187288708, 374577416, 749154832, 5103617293, 10207234586, 20414469172, 40828938344, 81657876688]

約数ペア:

[(1, 81657876688), (2, 40828938344), (4, 20414469172), (8, 10207234586), (16, 5103617293), (109, 749154832), (218, 374577416), (436, 187288708), (872, 93644354), (1153, 70822096), (1744, 46822177), (2306, 35411048), (4612, 17705524), (9224, 8852762), (18448, 4426381), (40609, 2010832), (81218, 1005416), (125677, 649744), (162436, 502708), (251354, 324872)]