81775696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268999}}^1$

素因数の和:269026

約数の個数: 20

約数和(自身を含む): 166780000

約数和(自身を除く): 85004304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268999, 537998, 1075996, 2151992, 4303984, 5110981, 10221962, 20443924, 40887848, 81775696]

約数ペア:

[(1, 81775696), (2, 40887848), (4, 20443924), (8, 10221962), (16, 5110981), (19, 4303984), (38, 2151992), (76, 1075996), (152, 537998), (304, 268999)]