77908896

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20838

約数の個数: 72

約数和(自身を含む): 238607460

約数和(自身を除く): 160698564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 20809, 41618, 62427, 83236, 124854, 166472, 187281, 249708, 270517, 332944, 374562, 499416, 541034, 665888, 749124, 811551, 998832, 1082068, 1498248, 1623102, 1997664, 2164136, 2434653, 2996496, 3246204, 4328272, 4869306, 5992992, 6492408, 8656544, 9738612, 12984816, 19477224, 25969632, 38954448, 77908896]

約数ペア:

[(1, 77908896), (2, 38954448), (3, 25969632), (4, 19477224), (6, 12984816), (8, 9738612), (9, 8656544), (12, 6492408), (13, 5992992), (16, 4869306), (18, 4328272), (24, 3246204), (26, 2996496), (32, 2434653), (36, 2164136), (39, 1997664), (48, 1623102), (52, 1498248), (72, 1082068), (78, 998832), (96, 811551), (104, 749124), (117, 665888), (144, 541034), (156, 499416), (208, 374562), (234, 332944), (288, 270517), (312, 249708), (416, 187281), (468, 166472), (624, 124854), (936, 83236), (1248, 62427), (1872, 41618), (3744, 20809)]