201657215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 262918656

約数和(自身を除く): 61261441

約数列:

[1, 5, 23, 37, 83, 115, 185, 415, 571, 851, 1909, 2855, 3071, 4255, 9545, 13133, 15355, 21127, 47393, 65665, 70633, 105635, 236965, 353165, 485921, 1090039, 1753541, 2429605, 5450195, 8767705, 40331443, 201657215]

約数ペア:

[(1, 201657215), (5, 40331443), (23, 8767705), (37, 5450195), (83, 2429605), (115, 1753541), (185, 1090039), (415, 485921), (571, 353165), (851, 236965), (1909, 105635), (2855, 70633), (3071, 65665), (4255, 47393), (9545, 21127), (13133, 15355)]