404456495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 524620800

約数和(自身を除く): 120164305

約数列:

[1, 5, 23, 43, 89, 115, 215, 445, 919, 989, 2047, 3827, 4595, 4945, 10235, 19135, 21137, 39517, 81791, 88021, 105685, 197585, 408955, 440105, 908891, 1881193, 3517013, 4544455, 9405965, 17585065, 80891299, 404456495]

約数ペア:

[(1, 404456495), (5, 80891299), (23, 17585065), (43, 9405965), (89, 4544455), (115, 3517013), (215, 1881193), (445, 908891), (919, 440105), (989, 408955), (2047, 197585), (3827, 105685), (4595, 88021), (4945, 81791), (10235, 39517), (19135, 21137)]