157023955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 211507200

約数和(自身を除く): 54483245

約数列:

[1, 5, 11, 55, 71, 79, 355, 395, 509, 781, 869, 2545, 3905, 4345, 5599, 5609, 27995, 28045, 36139, 40211, 61699, 180695, 201055, 308495, 397529, 442321, 1987645, 2211605, 2854981, 14274905, 31404791, 157023955]

約数ペア:

[(1, 157023955), (5, 31404791), (11, 14274905), (55, 2854981), (71, 2211605), (79, 1987645), (355, 442321), (395, 397529), (509, 308495), (781, 201055), (869, 180695), (2545, 61699), (3905, 40211), (4345, 36139), (5599, 28045), (5609, 27995)]