28390712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26683}}^1$

素因数の和:26715

約数の個数: 32

約数和(自身を含む): 64041600

約数和(自身を除く): 35650888

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 26683, 53366, 106732, 186781, 213464, 373562, 506977, 747124, 1013954, 1494248, 2027908, 3548839, 4055816, 7097678, 14195356, 28390712]

約数ペア:

[(1, 28390712), (2, 14195356), (4, 7097678), (7, 4055816), (8, 3548839), (14, 2027908), (19, 1494248), (28, 1013954), (38, 747124), (56, 506977), (76, 373562), (133, 213464), (152, 186781), (266, 106732), (532, 53366), (1064, 26683)]