161587968

素因数分解:

$2^8\times 3^1\times {\mathrm{210401}}^1$

素因数の和:210420

約数の個数: 36

約数和(自身を含む): 430061688

約数和(自身を除く): 268473720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 210401, 420802, 631203, 841604, 1262406, 1683208, 2524812, 3366416, 5049624, 6732832, 10099248, 13465664, 20198496, 26931328, 40396992, 53862656, 80793984, 161587968]

約数ペア:

[(1, 161587968), (2, 80793984), (3, 53862656), (4, 40396992), (6, 26931328), (8, 20198496), (12, 13465664), (16, 10099248), (24, 6732832), (32, 5049624), (48, 3366416), (64, 2524812), (96, 1683208), (128, 1262406), (192, 841604), (256, 631203), (384, 420802), (768, 210401)]