28019590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 51692256

約数和(自身を除く): 23672666

約数列:

[1, 2, 5, 10, 73, 131, 146, 262, 293, 365, 586, 655, 730, 1310, 1465, 2930, 9563, 19126, 21389, 38383, 42778, 47815, 76766, 95630, 106945, 191915, 213890, 383830, 2801959, 5603918, 14009795, 28019590]

約数ペア:

[(1, 28019590), (2, 14009795), (5, 5603918), (10, 2801959), (73, 383830), (131, 213890), (146, 191915), (262, 106945), (293, 95630), (365, 76766), (586, 47815), (655, 42778), (730, 38383), (1310, 21389), (1465, 19126), (2930, 9563)]