81976362

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7561}}^1$

素因数の和:7718

約数の個数: 32

約数和(自身を含む): 177858240

約数和(自身を除く): 95881878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 7561, 10842, 15122, 22683, 45366, 98293, 196586, 294879, 589758, 1050979, 2101958, 3152937, 6305874, 13662727, 27325454, 40988181, 81976362]

約数ペア:

[(1, 81976362), (2, 40988181), (3, 27325454), (6, 13662727), (13, 6305874), (26, 3152937), (39, 2101958), (78, 1050979), (139, 589758), (278, 294879), (417, 196586), (834, 98293), (1807, 45366), (3614, 22683), (5421, 15122), (7561, 10842)]