28393670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 52630560

約数和(自身を除く): 24236890

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 523, 610, 890, 1046, 2615, 5230, 5429, 10858, 27145, 31903, 46547, 54290, 63806, 93094, 159515, 232735, 319030, 465470, 2839367, 5678734, 14196835, 28393670]

約数ペア:

[(1, 28393670), (2, 14196835), (5, 5678734), (10, 2839367), (61, 465470), (89, 319030), (122, 232735), (178, 159515), (305, 93094), (445, 63806), (523, 54290), (610, 46547), (890, 31903), (1046, 27145), (2615, 10858), (5230, 5429)]