201519745

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 282205440

約数和(自身を除く): 80685695

約数列:

[1, 5, 7, 35, 101, 109, 505, 523, 545, 707, 763, 2615, 3535, 3661, 3815, 11009, 18305, 52823, 55045, 57007, 77063, 264115, 285035, 369761, 385315, 399049, 1848805, 1995245, 5757707, 28788535, 40303949, 201519745]

約数ペア:

[(1, 201519745), (5, 40303949), (7, 28788535), (35, 5757707), (101, 1995245), (109, 1848805), (505, 399049), (523, 385315), (545, 369761), (707, 285035), (763, 264115), (2615, 77063), (3535, 57007), (3661, 55045), (3815, 52823), (11009, 18305)]