80971504

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163249}}^1$

素因数の和:163288

約数の個数: 20

約数和(自身を含む): 161944000

約数和(自身を除く): 80972496

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163249, 326498, 652996, 1305992, 2611984, 5060719, 10121438, 20242876, 40485752, 80971504]

約数ペア:

[(1, 80971504), (2, 40485752), (4, 20242876), (8, 10121438), (16, 5060719), (31, 2611984), (62, 1305992), (124, 652996), (248, 326498), (496, 163249)]